South Perth is a residential suburb of Perth, Western Australia that adjoins the southern shore of Perth Water on the Swan River; it is 3 kilometres (2 mi) south of the central business district. The suburb adjoins two major arterial roads—Canning Highway and the Kwinana Freeway, and is within the City of South Perth local government area.

Perth Water is a section of the Swan River on the southern edge of the central business district of Perth, Western Australia. It is between the Causeway to the east, and Narrows Bridge to the west – a large wide but shallow section of river, and the northern edge of the suburb South Perth. It is considered a landmark of the City of Perth.