Merton Abbey is an area in southwest London, England. It lies between South Wimbledon and Colliers Wood in the London Borough of Merton. Merton Abbey takes its name from Merton Priory, which once stood on the northern edge of the district. The area is bounded by Merton High Street to the north, the River Wandle to the west, Christchurch Road to the east and Deen City Farm to the south. Despite the area being considered by many to be part of neighbouring Colliers Wood, most of Merton Abbey falls within Merton's "Lavender Fields" ward. The area is within the SW postcode area.