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
King Square, London construction of the King Square Estate surrounding the square; work was completed in 1965. The estate was designed by Emberton, Franck and Tardrew and built from pre-cast concrete. Turnpike House (the tallest tower) was completed in 1965; it stands to the west of King Square Gardens, with ground-level arch providing entrance to the park. President House (a collection of six-storey blocks) was built to the north of the park. The nearest bus stops are located on the nearby Goswell Road (London Bus routes 4 and 56) as well as City Road (route 43). The square is approximately 10 minutes walk