Tea Tree Gully (TTG) is a suburb in the greater Adelaide, South Australia area, under the City of Tea Tree Gully. Tea Tree Gully is in the City of Tea Tree Gully local government area, the South Australian House of Assembly electoral district of Newland and the Australian House of Representatives Division of Makin.

Adelaide is the capital and largest city of South Australia, and the fifth-most populous city in Australia. "Adelaide" may refer to either Greater Adelaide or the Adelaide city centre. The demonym Adelaidean is used to denote the city and the residents of Adelaide. The traditional owners of the Adelaide region are the Kaurna. The area of the city centre and surrounding Park Lands is called Tarndanya in the Kaurna language.