London is not a region of England.
London , or Greater London , is a region of England which forms the administrative boundaries of London . It is organised into 33 local government districts : the 32 London boroughs ( which makes up the ceremonial county of Greater London ) and the City of London ( which is a separate county but still part of the region ) . London [ ˈlʌndən ] is the capital and most populous city of England and the United Kingdom . The city 's metropolitan area is the most populous in the EU with 13,879,757 inhabitants , while the Greater London Authority states the population of the city-region ( covering a large part of the south east ) as 22.7 million .