Simpson is a town in the Western District of Victoria Australia. The town is in a dairying region and lies about halfway between Colac and the coastal fishing resort of Port Campbell. Most of the town is located in the Corangamite Shire, but a small, forested section lies in the Shire of Colac Otway. Simpson is 20 kilometres (12 mi) south of Cobden. At the 2016 census, Simpson had a population of 569.

The Shire of Corangamite is a local government area in the Barwon South West region of Victoria, Australia, located in the south-western part of the state. It covers an area of 4,408 square kilometres (1,702 sq mi) and in June 2018 had a population of 16,140. It includes the towns of Camperdown, Terang, Cobden, Timboon, Port Campbell and Skipton. It was formed in 1994 from the amalgamation of the Town of Camperdown, Shire of Hampden, Shire of Heytesbury, and parts of the Shire of Otway, Shire of Mortlake and Shire of Warrnambool.