The Shire of Murchison covers a large area of the Murchison sub-region of the central part of Western Australia, 300 kilometres (186 mi) northeast of Geraldton. The shire and the older 'Murchison' region and goldfield are now part of the designated Mid West region. It is Australia's second least populated local government area after the Shire of Peppermint Grove and the only one without a town.

The Shire of Upper Gascoyne is a local government area in the Gascoyne region of Western Australia, inland from Carnarvon and about 1,000 kilometres (620 mi) north of the state capital, Perth. The Shire has an area of 57,939 square kilometres (22,370 sq mi), much of which is uninhabited land or sparsely vegetated sheep station country, and its seat of government is the small town of Gascoyne Junction. It has a population of 170, 56% of whom identify as Aboriginal.