Local government in London recent organisation, having been set up in 2000 to replace the similar Greater London Council (GLC) which had been abolished in 1986. The headquarters of the GLA and the Mayor of London is at City Hall. The current Mayor of London is Sadiq Khan who was elected in 2016, replacing Boris Johnson, who served two terms. Health services in London are managed by the national government through the National Health Service, which is controlled and administered in London by a single NHS Strategic Health Authority called "NHS London". The 33 local authorities are the 32 London borough councils and the
Mayor of London cabinet, directs the entirety of Greater London, including the City of London (for which there is also the ceremonial Lord Mayor of the City of London). Each London Borough also has a ceremonial Mayor or, in Hackney, Lewisham, Newham and Tower Hamlets, an elected Mayor. The Greater London Council, the elected government for Greater London, was abolished in 1986 by the Local Government Act 1985. Strategic functions were split off to various joint arrangements. Londoners voted in a referendum in 1998 to create a new governance structure for Greater London. The directly elected Mayor of London was created by the