Surbiton is a suburban neighbourhood in South West London, within the Royal Borough of Kingston upon Thames (RBK). It is next to the River Thames, 11 miles (18 km) southwest of Charing Cross. Surbiton was in the historic county of Surrey and since 1965 it has been in Greater London. Surbiton comprises five of the RBK's wards: Alexandra, Berrylands, St. Mark's, Surbiton Hill, and Tolworth.