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
Queen Square, London Queen Square, London Queen Square is a garden square in the Bloomsbury district of central London. Many of its buildings are associated with medicine, particularly neurology. Queen Square was originally constructed between 1716 and 1725. It was formed from the garden of the house of Sir John Cutler baronet (1608–1693), whose last surviving child, Lady Radnor, died in 1697 leaving no issue. It was left open to the north for the landscape formed by the hills of Hampstead and Highgate. The square was previously named Queen Anne's Square because a statue contained within it was misidentified as depicting Queen Anne.