Herne Hill is a district in south London, approximately four miles from Charing Cross and bordered by Brixton, Denmark Hill, Dulwich, Loughborough Junction and Tulse Hill. It overlaps the boundary between the boroughs of Lambeth and Southwark. There is a road of the same name in the area (which is part of the A215 and was formerly called Herne Hill Road). More information on the Wikipedia page [1]