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 as well as the Merton and Morden Urban District, all formerly inside Surrey. The borough derives its name from the historic parish of Merton, which was centred around the location now known as South Wimbledon. The local authority is Merton London Borough Council.
According to population estimates made in the middle of 2014, the borough has a permanent population of about 203515 people. Merton is served by a wide array of National Rail stations across the borough, along with the southern tip of the London Underground's Northern line and the District line on the Wimbledon branch. It is the only London Borough which has tube, rail and tram services.
The main industrial 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 largest annual sporting event to take place in the United Kingdom, attracting over 200000 visitors throughout the Wimbledon fortnight.