London's location is the United Kingdom.
Greenwich Mean Time . The term `` GMT '' is especially used by bodies connected with the United Kingdom , such as the BBC World Service , the Royal Navy , the Met Office and others particularly in Arab countries , such as the Middle East Broadcasting Centre and OSN . It is a term commonly used in the United Kingdom and countries of the Commonwealth , including Australia , New Zealand , South Africa , India , Pakistan and Malaysia ; and in many other countries of the eastern hemisphere . London [ ˈlʌndən ] is the capital and most populous city of England and the United Kingdom .