Carrum Downs is a suburb in Melbourne, Victoria, Australia, 36 km south-east of Melbourne's Central Business District, located within the City of Frankston local government area. Carrum Downs recorded a population of 21,976 at the 2021 census.

The City of Cranbourne was a local government area about 45 kilometres (28 mi) southeast of Melbourne, the state capital of Victoria, Australia. The city covered an area of 755 square kilometres (291.5 sq mi), and existed from 1860 until 1994. It was notable for being the last local government area to be declared a city prior to the large-scale amalgamations of 1994 – its former designation was the Shire of Cranbourne.