The Shire of Dumbleyung is a local government area in the Wheatbelt region of Western Australia, about 40 kilometres (25 mi) east of Wagin and about 275 kilometres (171 mi) southeast of Perth, the state capital. The Shire covers an area of 2,540 square kilometres (981 sq mi), and is involved in grain and livestock production and various biodiversity industries including cereals, summer crops, oil mallees, yabbies, emus, poultry and trout.