London
capital and largest city of the United Kingdom / From Wikipedia, the free encyclopedia
London is the capital of the United Kingdom (UK), and its largest city.[5] It is also the city with the highest population in the UK. The population is just under 9 million.[6] The city is the largest in western Europe by population and area.
London | |
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![]() Clockwise from top: City of London in the foreground with Canary Wharf in the far background, Trafalgar Square, London Eye, Tower Bridge and a London Underground roundel in front of Elizabeth Tower | |
Coordinates: 51°30′26″N 0°7′39″W | |
Sovereign state | United Kingdom |
Constituent country | England |
Region | London (coterminous) |
Counties | Greater London City of London |
Settled by Romans | AD 47[1] as Londinium |
Districts | City of London & 32 boroughs |
Government | |
• Type | Executive mayoralty and deliberative assembly within unitary constitutional monarchy |
• Body | Greater London Authority • Mayor Sadiq Khan (L) • London Assembly |
• London Assembly | 14 constituencies |
• UK Parliament | 73 constituencies |
Area | |
• Total | 607 sq mi (1,572 km2) |
• Urban | 671.0 sq mi (1,737.9 km2) |
• Metro | 3,236 sq mi (8,382 km2) |
• City of London | 1.12 sq mi (2.90 km2) |
• Greater London | 606 sq mi (1,569 km2) |
Elevation | 36 ft (11 m) |
Population (2018) | |
• Total | 8,908,081 |
• Density | 14,670/sq mi (5,666/km2) |
• Urban | 9,950,000 |
• Metro | 14,257,962[3] (1st) |
• City of London | 8,706 (67th) |
• Greater London | 9,002,488 |
Demonyms | Londoner |
GVA (2018) | |
• Total | £487 billion ($624 billion) |
• Per capita | £54,686 ($70,110) |
Time zone | UTC (Greenwich Mean Time) |
• Summer (DST) | UTC+1 (British Summer Time) |
Postcode areas | 22 areas
|
Area codes | 9 area codes
|
Police | City of London Metropolitan |
Fire and rescue | London |
Ambulance | London |
Airports | Heathrow (LHR) City (LCY) Outside London: Gatwick (LGW) Stansted (STN) Luton (LTN) Southend (SEN) |
GeoTLD | .london |
Website | london.gov.uk |

On the Thames, London has been a central city since it was founded by the Romans two millennia ago as Londinium.[7] The Romans bridged the river Thames and built a road network to connect Londinium with the rest of the country.[8]
London's original city centre, the City of London is England's smallest city. In 2011 it had 7,375 inhabitants on an area of 1.12 square miles. The term "London" is used for the urban region which developed around this city centre. This area forms the region of London, the Greater London administrative unit led by the Mayor of London and the London Assembly.
London is one of the world's most important political, economic and cultural centres.[9] London was the capital of the British Empire and so for almost three centuries the centre of power for large parts of the world.
The city has about 9.1 million inhabitants (2018). If one counts the entire metropolitan area of London (London Metropolitan Area), it has about 15 million people. The climate is moderate.
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