Trawalla is a town in central Western Victoria, Australia, located on the Western Highway, 41 kilometres west of Ballarat and 154 kilometres …Trawalla is a town in central Western Victoria, Australia, located on the Western Highway, 41 kilometres west of Ballarat and 154 kilometres west of Melbourne, in the Shire of Pyrenees. At the 2006 census, Trawalla and the surrounding agricultural area had a population of 224.