Greater London is often referred to as "the City" or "the Square Mile" and it forms the main financial district. Archaically, the urbanised area of London was known as the Metropolis. In common usage, the terms "London" and "Greater London" are usually used interchangeably. Greater London is officially divided for some purposes, with varying definitions, into Inner London and Outer London. For some strategic planning purposes it is divided into five sub-regions. Greater London is under the strategic local governance of the Greater London Authority (GLA). It consists of an elected assembly, the London Assembly, and an executive head, the Mayor of
Flag of the City of London Flag of the City of London The flag of the City of London is based on the flag of England, having a centred red St George's Cross on a white background, with the red sword in the upper hoist canton (the top left quarter). The sword is believed to represent the sword that beheaded Saint Paul who is the patron saint of the city. The tip of the sword always points upwards; therefore, when the flag is held on its side as a banner, the sword would be printed to face hoist and would be located on the left as