Gympie is a town and a locality in the Gympie Region, Queensland, Australia. Located in the Wide Bay-Burnett district, Gympie is about 160 kilometres (100 mi) north of the state capital, Brisbane. The city lies on the Mary River, which floods the town periodically. Gympie is the administrative centre for the Gympie Region area. At June 2015 Gympie had an estimated urban population of 20,810.Gympie is famous for its gold field. It contains a number of historic buildings registered on the Queensland Heritage Register.