In the United Kingdom the country is split into 650 separate parliamentary constituencies. A member of parliament (MP) represents each constituency (typically a electoral or geographic area, e.g. Telford & Wrekin) at the House of Commons in Westminster.
Wales, Scotland and Northern Ireland have constituencies which the general public elect MPs to their parliament or assembly.
To look up further details about each of the 650 constituencies in the UK, use the alphabetical letters on this page to browse. Each constituency page will give you more information about the area, including information about the elected MP, geographical information, 2010 election results and voter turnout, and other useful data.
The following are the largest 20 constituencies by population size:
Information about what to expect at the general election 2015, including timetable of events, results and guides.
Watch political debates, party political broadcasts, PMQ's and interviews with party candidates and MPs.
How does your city compare with others across the UK, including population, employment and earnings.
Find out more about your local constituency, including local information, polls and MPs.