Dulwich is an area in south London, England. The settlement is mostly in the London Borough of Southwark, with parts in the London Borough of Lambeth, and consists of Dulwich Village, East Dulwich, West Dulwich, and the Southwark half of Herne Hill. Dulwich lies in a valley between the neighbouring districts of Camberwell, Crystal Palace, Denmark Hill, Forest Hill, Peckham, Sydenham Hill, and Tulse Hill.