Morden is a district and town in south London, England, within the London Borough of Merton, in the ceremonial county of Greater London. It adjoins Merton Park and Wimbledon to the north, Mitcham to the east, Sutton to the south and Worcester Park to the west, and is around 8 miles (13 km) south-southwest of Charing Cross. Prior to the creation of Greater London in 1965, for local government purposes, Morden was in the administrative and historic county of Surrey.

The London Borough of Merton is a London borough in London, England. The borough was formed under the London Government Act 1963 in 1965 by the merger of the Municipal Borough of Mitcham, the Municipal Borough of Wimbledon and the Merton and Morden Urban District, all formerly within Surrey.