The Shire of Koorda is a local government area in the Wheatbelt region of Western Australia, about 240 kilometres (150 mi) northeast of Perth, the state capital. The Shire covers an area of 2,836 square kilometres (1,095 sq mi) and its seat of government is the town of Koorda.

The Shire of Mount Marshall is a local government area in the Wheatbelt region of Western Australia, about 80 kilometres (50 mi) north-northwest of Merredin and about 300 kilometres (186 mi) northeast of the state capital, Perth. The Shire covers an area of 10,190 square kilometres (3,934 sq mi), and its seat of government is the town of Bencubbin.