Williams is a town located in the Wheatbelt region of Western Australia, 161 kilometres south-southeast of the state capital, Perth along Alba…Williams is a town located in the Wheatbelt region of Western Australia, 161 kilometres south-southeast of the state capital, Perth along Albany Highway and 32 kilometres west of Narrogin. The Williams River passes through the town. At the 2016 census, Williams had a population of 411.