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
Lord Mayor of London The ceremony is known as the "Silent Ceremony" because, aside from a short declaration by the incoming Lord Mayor, no speeches are made. At Guildhall, the outgoing Lord Mayor transfers the mayoral insignia — the seal, the purse, the sword and the mace — to the incoming Lord Mayor. The Lord Mayor to be elected in November 2017 was known in April of that year. The day after being sworn into office, the Lord Mayor leads a procession from the City of London to the Royal Courts of Justice in the City of Westminster, where the Lord Mayor swears allegiance