Biggin Hill is a town in South East London, England, within the London Borough of Bromley. It is situated beyond London's contiguous built-up area in the Metropolitan green belt, 15.2 miles (24.5 km) south-southeast of Charing Cross. It is located adjacent to the Greater London boundary with Kent and Surrey. Prior to the creation of Greater London in 1965, it was in the historic and administrative county of Kent. At the 2011 Census, Biggin Hill had a population of 9,951.

The London Borough of Bromley is a borough in London, England. It borders the county of Kent, of which it formed part of until 1965. The borough's population in the 2021 census was 329,991. It is named after Bromley, its principal district. Other districts are Penge, Hayes, West Wickham, Chislehurst, Beckenham and Orpington. The local authority is Bromley London Borough Council.