Hanover Square is a green square in Mayfair, Westminster, south west of Oxford Circus where Oxford Street meets Regent Street. Six streets converge on the square which include Harewood Place with links to Oxford Street, Princes Street, Hanover Street, Saint George Street, Brook Street and Tenderden Street, linking to Bond Street and Oxford Street.

Mayfair is an area in London, England and is located in the City of Westminster. It is in Central London and part of the West End. It is between Oxford Street, Regent Street, Piccadilly and Park Lane and one of the most expensive districts in the world.