The City of Mackay was a local government area located in the Central Queensland region of Queensland, Australia, encompassing the regional city of Mackay and the surrounding region. The City was created as a municipal borough in 1869, and prior to amalgamation with the Shire of Pioneer in 1994, the City was limited to the central suburbs on the south shore of the Pioneer River. From 1994 until 2008, the City covered an area of 2,897.5 square kilometres (1,118.7 sq mi).