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
International Financial Services London International Financial Services London International Financial Services, London, usually shortened to just IFSL, was a private-sector organisation which promoted British financial services. It was merged into a new promotional organisation, TheCityUK, in 2010. It was formerly known as British Invisibles. British Invisibles itself originated in the Committee on Invisible Exports, set up in April 1968 by the Bank of England and then became the British Invisible Exports Council. It was largely the idea of Cyril Kleinwort who realised that the government was paying much attention to the UK's balance of trade in goods, but little to the UK's invisible earnings