Vasse is a suburb of the city of Busselton in the South West region of Western Australia, 10 kilometres west of Busselton and 240 kilometr…Vasse is a suburb of the city of Busselton in the South West region of Western Australia, 10 kilometres west of Busselton and 240 kilometres southwest of Perth. Its local government area is the City of Busselton. At the 2021 census, Vasse had a population of 2,853.