Otford is a rural and residential area. Otford is thought to be named after a village in West Kent, England. It was previously known as Bulgo.

Otford is bounded by the Sutherland Shire in the north, the railway line, the locality of the Lilyvale and the Tasman Sea in the east, the locality of Stanwell Tops and Kelly's Creek in the south.

Major features of the area include Royal National Park, Garawarra State Conservation Area, Tall Gums Environmental Farm, Colliery Dam, and Reserve for Preservation of Native Flora and Fauna, Otford Park, Otford Farm Trail Rides and Otford Apple Pie Shop.