The City of Cockburn is a local government area in the southern suburbs of the Western Australian capital city of Perth about 8 kilometres (5 mi) south of Fremantle and about 24 kilometres (15 mi) south of Perth's central business district. The City covers an area of 167.5 square kilometres (64.7 sq mi) and had a population of over 104,000 as at the 2016 Census.

Atwell is a suburb within the metropolitan area of Perth, Western Australia, situated 21 kilometres (13 mi) south of Perth City, and located in the City of Cockburn local government area.