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Scotland Yard (officially New Scotland Yard) is a metonym for the headquarters building of the Metropolitan Police, the territorial police force responsible for policing the 32 boroughs of London.

The name derives from the location of the original Metropolitan Police headquarters at 4 Whitehall Place, which had a rear entrance on a street called Great Scotland Yard. The Scotland Yard entrance became the public entrance to the police station, and over time the street and the Metropolitan Police became synonymous. The New York Times wrote in 1964 that, just as Wall Street gave its name to New York's financial district, Scotland Yard became the name for police activity in London.

The force moved from Great Scotland Yard in 1890, to a newly completed building on the Victoria Embankment, and the name "New Scotland Yard" was adopted for the new headquarters. An adjacent building was completed in 1906. A third building was added in 1940. In 1967, the Metropolitan Police Service (MPS) moved its headquarters from the three-building complex to a tall, newly constructed building on Broadway in Victoria. In summer 2013, it was announced that the force would move to the Curtis Green Building – which is the third building of New Scotland Yard's previous site (1890–1967) – and that the headquarters would be renamed Scotland Yard. In November 2016, MPS moved to its new headquarters, which continues to bear the name of "New Scotland Yard".

It is the main headquarter mentioned in Conan Doyle's Sherlock Holmes stories, with characters such as Lestrade belonging to the station.