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
Royal Commission on the Amalgamation of the City and County of London and Wales outside London, it was discovered that the council of even the most populous municipal borough had no more than 72 members. The report recommended the creation of a new local authority for the area of the existing City, to be known as the "Mayor and Council of the Old City". The electoral franchise would be the same as that for urban district councils under the Local Government Act 1894, and there would be 72 councillors. The area would be divided into 24 wards with three councillors elected for each ward. Councillors would have a three-year term of office,