Great Western is a town in the east of the Wimmera region of Victoria, Australia. The town is located on the Western Highway, in the Shire of Northern Grampians local government area, 225 kilometres north west of the state capital, Melbourne. The town has a population of 425. The first European settlers in the Great Western area were sheep graziers in the 1840s and closer settlement began with the discovery of gold during the Victorian gold rush, the Post Office opening on 1 June 1858..