Green Street Green is an area in south-east London, located in the London Borough of Bromley and, prior to 1965, in the historic county of Kent. It is located south of Orpington, west of Chelsfield, north-west of Pratt's Bottom, north of Hazelwood, and south east of Farnborough.

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.