City of London four of the eight wards accounted for 67% of the 'square mile' and held 86% of the population, and these were in fact similar to and named after four City of London wards: The City has a unique electoral system. Most of its voters are representatives of businesses and other bodies that occupy premises in the City. Its ancient wards have very unequal numbers of voters. In elections, both the businesses based in the City and the residents of the City vote. The City of London Corporation was not reformed by the Municipal Corporations Act 1835, because it had a
City of London known as 'Barts'. Founded in 1123, it is located at Smithfield, and is undergoing a long-awaited regeneration after doubts as to its continuing use during the 1990s. The City is the third largest UK patron of the arts. It oversees the Barbican Centre and subsidises several important performing arts companies. The London Port Health Authority, which is the responsibility of the Corporation, is responsible for all port health functions on the tidal part of the Thames, including various seaports and London City Airport. The Corporation oversees the running of the Bridge House Trust, which maintains London Bridge, Blackfriars Bridge, Southwark