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.

The Shire of Trayning is a local government area in the Wheatbelt region of Western Australia, about 60 kilometres (37 mi) northwest of Merredin and about 240 kilometres (149 mi) east of the state capital, Perth. The Shire covers an area of 1,651 square kilometres (637 sq mi), and its seat of government is the town of Trayning.