This article is part of the series: Politics and government of the United Kingdom
This is a list of the 646 constituencies currently represented in the House of Commons of the Parliament of the United Kingdom, as at the 2005 general election. Each constituency is represented by a single Member of Parliament (MP).
Constituency boundaries are subject to regular review by an independent Boundary Commission, usually once every 10 to 15 years, to keep the electorate of each constituency as close to the national average as is reasonably possible. New constituencies may be created, or existing ones abolished, by these reviews. For the list of recommended constituencies following the current review see Constituencies in the next United Kingdom general election
Constituencies were long based on boroughs (burghs in Scotland) and counties. Today, constituencies in England are mostly subdivisions of local authorities, with each constituency being comprised of a number of whole wards. In Scotland, constituencies are subdivisions of council areas, and in Wales they are subdivisions of the preserved counties. Northern Ireland is reviewed as a whole, and constituency boundaries may cross all district borders.
In some cases, particularly in urban areas, two or more local government areas may be combined together to form a single review area, so that particularly large or small constituencies are not created. For example, if two adjacent areas are entitled to 1.5 constituencies each, they may be combined together and awarded three constituencies, rather than having two constituencies each, all of which would be well below the average constituency electorate.
The average constituency size is approximately 74,000 registered voters, but they vary in size from the smallest, Orkney and Shetland - approx. 35,000 voters, to the largest - The Isle of Wight approx. 110,000 voters. A constituency has no physical size restrictions.
The Parliament of 2001 contained representatives from 659 constituencies. Most of the current constituency boundaries were last reviewed in the early 1990s, and are therefore based on administrative boundaries prior to the last series of local government boundary changes. However, a Boundary Commission for Scotland review in February 2005 resulted in the reorganisation of most Scottish constituencies to adjust for the historic over-representation of Scotland. This reduced the number of constituencies in Scotland by 13, from 72 down to the current 59. The Parliament of 2005 therefore had 646 representatives.

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                    Elections: 2001 - 2005 - 54th
                    
                    
                    
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                      East Midlands
                      
                      Derbyshire
                      Main article: List of Parliamentary constituencies in Derbyshire
                      
                      Amber Valley
                      Bolsover
                      Chesterfield
                      Derby North
                      Derby South
                      Erewash
                      High Peak
                      North East Derbyshire
                      South Derbyshire
                      West Derbyshire Leicestershire
                      Main article: List of Parliamentary constituencies in Leicestershire and Rutland
                      
                      Blaby
                      Bosworth
                      Charnwood
                      Harborough
                      Leicester East
                      Leicester South
                      Leicester West
                      Loughborough
                      North West Leicestershire
                      Rutland and Melton Lincolnshire
                      Main article: List of Parliamentary constituencies in Lincolnshire
                      
                      Boston and Skegness
                      Gainsborough
                      Grantham and Stamford
                      Lincoln
                      Louth and Horncastle
                      Sleaford and North Hykeham
                      South Holland and The Deepings Northamptonshire
                      Main article: List of Parliamentary constituencies in Northamptonshire
                      
                      Corby
                      Daventry
                      Kettering
                      Northampton North
                      Northampton South
                      Wellingborough Nottinghamshire
                      Main article: List of Parliamentary constituencies in Nottinghamshire
                      
                      Ashfield
                      Bassetlaw
                      Broxtowe
                      Gedling
                      Mansfield
                      Newark
                      Nottingham East
                      Nottingham North
                      Nottingham South
                      Rushcliffe
                      Sherwood East of England
                      
                      Bedfordshire
                      Main article: List of Parliamentary constituencies in Bedfordshire
                      
                      Bedford
                      Luton North
                      Luton South
                      Mid Bedfordshire
                      North East Bedfordshire
                      South West Bedfordshire Cambridgeshire
                      Main article: List of Parliamentary constituencies in Cambridgeshire
                      
                      Cambridge
                      Huntingdon
                      North East Cambridgeshire
                      North West Cambridgeshire
                      Peterborough
                      South Cambridgeshire
                      South East Cambridgeshire Essex
                      Main article: List of Parliamentary constituencies in Essex
                      
                      Basildon
                      Billericay
                      Braintree
                      Brentwood and Ongar
                      Castle Point
                      Colchester
                      Epping Forest
                      Harlow
                      Harwich
                      Maldon and East Chelmsford
                      North Essex
                      Rayleigh
                      Rochford and Southend East
                      Saffron Walden
                      Southend West
                      Thurrock
                      West Chelmsford Hertfordshire
                      Main article: List of Parliamentary constituencies in Hertfordshire
                      
                      Broxbourne
                      Hemel Hempstead
                      Hertford and Stortford
                      Hertsmere
                      Hitchin and Harpenden
                      North East Hertfordshire
                      St Albans
                      South West Hertfordshire
                      Stevenage
                      Watford
                      Welwyn Hatfield Norfolk
                      Main article: List of Parliamentary constituencies in Norfolk
                      
                      Great Yarmouth
                      Mid Norfolk
                      North Norfolk
                      North West Norfolk
                      Norwich North
                      Norwich South
                      South Norfolk
                      South West Norfolk Suffolk
                      Main article: List of Parliamentary constituencies in Suffolk
                      
                      Bury St Edmunds
                      Central Suffolk and North Ipswich
                      Ipswich
                      South Suffolk
                      Suffolk Coastal
                      Waveney
                      West Suffolk Greater London
                      Main article: List of Parliamentary constituencies in Greater London
                      
                      North East London Boroughs
                      
                      Barking
                      Bethnal Green and Bow
                      Chingford and Woodford Green
                      Dagenham
                      East Ham
                      Edmonton
                      Enfield North
                      Enfield Southgate
                      Hackney North and Stoke Newington
                      Hackney South and Shoreditch
                      Hornchurch
                      Hornsey and Wood Green
                      Ilford North
                      Ilford South
                      Islington North
                      Islington South and Finsbury
                      Leyton and Wanstead
                      Poplar and Canning Town
                      Romford
                      Tottenham
                      Upminster
                      Walthamstow
                      West Ham North West London Boroughs
                      
                      Brent East
                      Brent North
                      Brent South
                      Chipping Barnet
                      Cities of London and Westminster
                      Ealing, Acton and Shepherd's Bush
                      Ealing North
                      Ealing Southall
                      Finchley and Golders Green
                      Hammersmith and Fulham
                      Hampstead and Highgate
                      Harrow East
                      Harrow West
                      Hayes and Harlington
                      Hendon
                      Holborn and St. Pancras
                      Kensington and Chelsea
                      Regent's Park and Kensington North
                      Ruislip-Northwood
                      Uxbridge South East London Boroughs
                      
                      Beckenham
                      Bexleyheath and Crayford
                      Bromley and Chislehurst
                      Camberwell and Peckham
                      Croydon Central
                      Croydon North
                      Croydon South
                      Dulwich and West Norwood
                      Eltham
                      Erith and Thamesmead
                      Greenwich and Woolwich
                      Lewisham Deptford
                      Lewisham East
                      Lewisham West
                      North Southwark and Bermondsey
                      Old Bexley and Sidcup
                      Orpington South West London Boroughs
                      
                      Battersea
                      Brentford and Isleworth
                      Carshalton and Wallington
                      Feltham and Heston
                      Kingston and Surbiton
                      Mitcham and Morden
                      Putney
                      Richmond Park
                      Streatham
                      Sutton and Cheam
                      Tooting
                      Twickenham
                      Vauxhall
                      Wimbledon North East England
                      
                      Cleveland
                      Main article: List of Parliamentary constituencies in Cleveland
                      
                      Hartlepool
                      Middlesbrough
                      Middlesbrough South and East Cleveland
                      Redcar
                      Stockton North
                      Stockton South Durham
                      Main article: List of Parliamentary constituencies in County Durham
                      
                      Bishop Auckland
                      City of Durham
                      Darlington
                      Easington
                      North Durham
                      North West Durham
                      Sedgefield Northumberland
                      Main article: List of Parliamentary constituencies in Northumberland
                      
                      Berwick-upon-Tweed
                      Blyth Valley
                      Hexham
                      Wansbeck Tyne and Wear
                      Main article: List of Parliamentary constituencies in Tyne and Wear
                      
                      Blaydon
                      Gateshead East and Washington West
                      Houghton and Washington East
                      Jarrow
                      Newcastle upon Tyne Central
                      Newcastle upon Tyne East and Wallsend
                      Newcastle upon Tyne North
                      North Tyneside
                      South Shields
                      Sunderland North
                      Sunderland South
                      Tyne Bridge
                      Tynemouth North West England
                      
                      Cheshire
                      Main article: List of Parliamentary constituencies in Cheshire
                      
                      City of Chester
                      Congleton
                      Crewe and Nantwich
                      Eddisbury
                      Ellesmere Port and Neston
                      Halton
                      Macclesfield
                      Tatton
                      Warrington North
                      Warrington South
                      Weaver Vale Cumbria
                      Main article: List of Parliamentary constituencies in Cumbria
                      
                      Barrow and Furness
                      Carlisle
                      Copeland
                      Penrith and The Border
                      Westmorland and Lonsdale
                      Workington Greater Manchester
                      Main article: List of Parliamentary constituencies in Greater Manchester
                      
                      Altrincham and Sale West
                      Ashton-under-Lyne
                      Bolton North East
                      Bolton South East
                      Bolton West
                      Bury North
                      Bury South
                      Cheadle
                      Denton and Reddish
                      Eccles
                      Hazel Grove
                      Heywood and Middleton
                      Leigh
                      Makerfield
                      Manchester Blackley
                      Manchester Central
                      Manchester Gorton
                      Manchester Withington
                      Oldham East and Saddleworth
                      Oldham West and Royton
                      Rochdale
                      Salford
                      Stalybridge and Hyde
                      Stockport
                      Stretford and Urmston
                      Wigan
                      Worsley
                      Wythenshawe and Sale East Lancashire
                      Main article: List of Parliamentary constituencies in Lancashire
                      
                      Blackburn
                      Blackpool North and Fleetwood
                      Blackpool South
                      Burnley
                      Chorley
                      Fylde
                      Hyndburn
                      Lancaster and Wyre
                      Morecambe and Lunesdale
                      Pendle
                      Preston
                      Ribble Valley
                      Rossendale and Darwen
                      South Ribble
                      West Lancashire Merseyside
                      Main article: List of Parliamentary constituencies in Merseyside
                      
                      Birkenhead
                      Bootle
                      Crosby
                      Knowsley North and Sefton East
                      Knowsley South
                      Liverpool Garston
                      Liverpool Riverside
                      Liverpool Walton
                      Liverpool Wavertree
                      Liverpool West Derby
                      St Helens North
                      St Helens South
                      Southport
                      Wallasey
                      Wirral South
                      Wirral West South East England
                      
                      Berkshire
                      Main article: List of Parliamentary constituencies in Berkshire
                      
                      Bracknell
                      Maidenhead
                      Newbury
                      Reading East
                      Reading West
                      Slough
                      Windsor
                      Wokingham Buckinghamshire
                      Main article: List of Parliamentary constituencies in Buckinghamshire
                      
                      Aylesbury
                      Beaconsfield
                      Buckingham
                      Chesham and Amersham
                      Milton Keynes South West
                      North East Milton Keynes
                      Wycombe East Sussex
                      Main article: List of Parliamentary constituencies in East Sussex
                      
                      Bexhill and Battle
                      Brighton Kemptown
                      Brighton Pavilion
                      Eastbourne
                      Hastings and Rye
                      Hove
                      Lewes
                      Wealden Hampshire
                      Main article: List of Parliamentary constituencies in Hampshire
                      
                      Aldershot
                      Basingstoke
                      East Hampshire
                      Eastleigh
                      Fareham
                      Gosport
                      Havant
                      New Forest East
                      New Forest West
                      North East Hampshire
                      North West Hampshire
                      Portsmouth North
                      Portsmouth South
                      Romsey
                      Southampton Itchen
                      Southampton Test
                      Winchester Isle of Wight
                      
                      Isle of Wight Kent
                      Main article: List of Parliamentary constituencies in Kent
                      
                      Ashford
                      Canterbury
                      Chatham and Aylesford
                      Dartford
                      Dover
                      Faversham and Mid Kent
                      Folkestone and Hythe
                      Gillingham
                      Gravesham
                      Maidstone and The Weald
                      Medway
                      North Thanet
                      Sevenoaks
                      Sittingbourne and Sheppey
                      South Thanet
                      Tonbridge and Malling
                      Tunbridge Wells Oxfordshire
                      Main article: List of Parliamentary constituencies in Oxfordshire
                      
                      Banbury
                      Henley
                      Oxford East
                      Oxford West and Abingdon
                      Wantage
                      Witney Surrey
                      Main article: List of Parliamentary constituencies in Surrey
                      
                      East Surrey
                      Epsom and Ewell
                      Esher and Walton
                      Guildford
                      Mole Valley
                      Reigate
                      Runnymede and Weybridge
                      South West Surrey
                      Spelthorne
                      Surrey Heath
                      Woking West Sussex
                      Main article: List of Parliamentary constituencies in West Sussex
                      
                      Arundel and South Downs
                      Bognor Regis and Littlehampton
                      Chichester
                      Crawley
                      East Worthing and Shoreham
                      Horsham
                      Mid Sussex
                      Worthing West South West England
                      
                      Avon
                      Main article: List of Parliamentary constituencies in Avon
                      
                      Bath
                      Bristol East
                      Bristol North West
                      Bristol South
                      Bristol West
                      Kingswood
                      Northavon
                      Wansdyke
                      Weston-Super-Mare
                      Woodspring Cornwall
                      Main article: List of Parliamentary constituencies in Cornwall
                      
                      Falmouth and Camborne
                      North Cornwall
                      St Ives
                      South East Cornwall
                      Truro and St Austell Devon
                      Main article: List of Parliamentary constituencies in Devon
                      
                      East Devon
                      Exeter
                      North Devon
                      Plymouth Devonport
                      Plymouth Sutton
                      South West Devon
                      Teignbridge
                      Tiverton and Honiton
                      Torbay
                      Torridge and West Devon
                      Totnes Dorset
                      Main article: List of Parliamentary constituencies in Dorset
                      
                      Bournemouth East
                      Bournemouth West
                      Christchurch
                      Mid Dorset and North Poole
                      North Dorset
                      Poole
                      South Dorset
                      West Dorset Gloucestershire
                      Main article: List of Parliamentary constituencies in Gloucestershire
                      
                      Cheltenham
                      Cotswold
                      Forest of Dean
                      Gloucester
                      Stroud
                      Tewkesbury Somerset
                      Main article: List of Parliamentary constituencies in Somerset
                      
                      Bridgwater
                      Somerton and Frome
                      Taunton
                      Wells
                      Yeovil Wiltshire
                      Main article: List of Parliamentary constituencies in Wiltshire
                      
                      Devizes
                      North Swindon
                      North Wiltshire
                      Salisbury
                      South Swindon
                      Westbury West Midlands
                      
                      Hereford and Worcester
                      Main article: List of Parliamentary constituencies in Herefordshire and Worcestershire
                      
                      Bromsgrove
                      Hereford
                      Leominster
                      Mid Worcestershire
                      Redditch
                      West Worcestershire
                      Worcester
                      Wyre Forest Shropshire
                      Main article: List of Parliamentary constituencies in Shropshire
                      
                      Ludlow
                      North Shropshire
                      Shrewsbury and Atcham
                      Telford
                      The Wrekin Staffordshire
                      Main article: List of Parliamentary constituencies in Staffordshire
                      
                      Burton
                      Cannock Chase
                      Lichfield
                      Newcastle-under-Lyme
                      South Staffordshire
                      Stafford
                      Staffordshire Moorlands
                      Stoke-on-Trent Central
                      Stoke-on-Trent North
                      Stoke-on-Trent South
                      Stone
                      Tamworth West Midlands (county)
                      Main article: List of Parliamentary constituencies in West Midlands
                      
                      Aldridge-Brownhills
                      Birmingham Edgbaston
                      Birmingham Erdington
                      Birmingham Hall Green
                      Birmingham Hodge Hill
                      Birmingham Ladywood
                      Birmingham Northfield
                      Birmingham Perry Barr
                      Birmingham Selly Oak
                      Birmingham Sparkbrook and Small Heath
                      Birmingham Yardley
                      Coventry North East
                      Coventry North West
                      Coventry South
                      Dudley North
                      Dudley South
                      Halesowen and Rowley Regis
                      Meriden
                      Solihull
                      Stourbridge
                      Sutton Coldfield
                      Walsall North
                      Walsall South
                      Warley
                      West Bromwich East
                      West Bromwich West
                      Wolverhampton North East
                      Wolverhampton South East
                      Wolverhampton South West Yorkshire and Humberside
                      
                      Humberside
                      Main article: List of Parliamentary constituencies in Humberside
                      
                      Beverley and Holderness
                      Brigg and Goole
                      Cleethorpes
                      East Yorkshire
                      Great Grimsby
                      Haltemprice and Howden
                      Kingston upon Hull East
                      Kingston upon Hull North
                      Kingston upon Hull West and Hessle
                      Scunthorpe North Yorkshire
                      Main article: List of Parliamentary constituencies in North Yorkshire
                      
                      City of York
                      Harrogate and Knaresborough
                      Richmond (Yorks)
                      Ryedale
                      Scarborough and Whitby
                      Selby
                      Skipton and Ripon
                      Vale of York South Yorkshire
                      Main article: List of Parliamentary constituencies in South Yorkshire
                      
                      Barnsley Central
                      Barnsley East and Mexborough
                      Barnsley West and Penistone
                      Don Valley
                      Doncaster Central
                      Doncaster North
                      Rother Valley
                      Rotherham
                      Sheffield Attercliffe
                      Sheffield Brightside
                      Sheffield Central
                      Sheffield Hallam
                      Sheffield Heeley
                      Sheffield Hillsborough
                      Wentworth West Yorkshire
                      Main article: List of Parliamentary constituencies in West Yorkshire
                      
                      Batley and Spen
                      Bradford North
                      Bradford South
                      Bradford West
                      Calder Valley
                      Colne Valley
                      Dewsbury
                      Elmet
                      Halifax
                      Hemsworth
                      Huddersfield
                      Keighley
                      Leeds Central
                      Leeds East
                      Leeds North East
                      Leeds North West
                      Leeds West
                      Morley and Rothwell
                      Normanton
                      Pontefract and Castleford
                      Pudsey
                      Shipley
                      Wakefield Northern Ireland
                      Main article: List of Parliamentary constituencies in Northern Ireland
                      
                      Belfast East
                      Belfast North
                      Belfast South
                      Belfast West
                      East Antrim
                      East Londonderry
                      Fermanagh and South Tyrone
                      Foyle
                      Lagan Valley
                      Mid Ulster
                      Newry and Armagh
                      North Antrim
                      North Down
                      South Antrim
                      South Down
                      Strangford
                      Upper Bann
                      West Tyrone Wales
                      
                      Aberavon
                      Alyn and Deeside
                      Blaenau Gwent
                      Brecon and Radnorshire
                      Bridgend
                      Caernarfon
                      Caerphilly
                      Cardiff Central
                      Cardiff North
                      Cardiff South and Penarth
                      Cardiff West
                      Carmarthen East and Dinefwr
                      Carmarthen West and South Pembrokeshire
                      Ceredigion
                      Clwyd South
                      Clwyd West
                      Conwy
                      Cynon Valley
                      Delyn
                      Gower
                      Islwyn
                      Llanelli
                      Meirionnydd Nant Conwy
                      Merthyr Tydfil and Rhymney
                      Monmouth
                      Montgomeryshire
                      Neath
                      Newport East
                      Newport West
                      Ogmore
                      Pontypridd
                      Preseli Pembrokeshire
                      Rhondda
                      Swansea East
                      Swansea West
                      Torfaen
                      Vale of Clwyd
                      Vale of Glamorgan
                      Wrexham
                      Ynys Môn (formerly Anglesey)