The City of Greater Geelong is a local government area in the Barwon South West region of Victoria, Australia, located in the western part of the state. It covers an area of 1,248 square kilometres (482 sq mi) and, had a population of 271,057 as of the 2021 Australian census. It is primarily urban with the vast majority of its population living in the Greater Geelong urban area, while other significant settlements within the LGA include Anakie, Balliang, Barwon Heads, Batesford, Ceres, Clifton Springs, Drysdale, Lara, Ocean Grove, Portarlington and St Leonards. It was formed in 1993 from the amalgamation of the Rural City of Bellarine, Shire of Corio, City of Geelong, City of Geelong West, City of Newtown, City of South Barwon, and parts of Shire of Barrabool and Shire of Bannockburn.

The Barwon South West is an economic rural region located in the southwestern part of Victoria, Australia. The Barwon South West region stretches from the tip of the Queenscliff Heads to the border of South Australia. It is home to Victoria’s largest provincial centre, Geelong and the major centres of Aireys Inlet, Apollo Bay, Camperdown, Colac, Hamilton, Lorne, Port Campbell, Port Fairy, Portland, Torquay and Warrnambool. It draws its name from the Barwon River and the geographic location of the region in the state of Victoria.