The London Borough of Merton is a borough in south-west 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 plus the Merton and Morden Urban District, all formerly within Surrey. The borough derives its name from the historic parish of Merton, which was centred on the area now generally known as South Wimbledon. The local authority is Merton London Borough Council.
Merton covers a total area of approximately 14.52 square miles. Merton is served by a wide range of National Rail stations across the borough, along with the southern tip of the London Underground's Northern line plus the District line around the Wimbledon branch. It is the only London Borough which has tube, rail and tram services.
The key commercial centres in Merton are Mitcham, Morden and Wimbledon, of which Wimbledon is the biggest. Other smaller sized centres consist of Raynes Park, Colliers Wood, South Wimbledon, Wimbledon Park and Pollards Hill. Every year, Wimbledon, one of the 4 tennis Grand Slam tournaments, is held at the All England Lawn Tennis and Croquet Club in Church Road Wimbledon. The event occurs over a fortnight at the end of June and beginning of July and it's the biggest annual sporting event to take place in the United Kingdom, attracting more than 200000 visitors for the duration of the Wimbledon fortnight.