Western Australia (Australia) is 30 times larger than Austria.
Area: 83,871 km2 World Factbook
Population: 8,223,062 (July 2014) World Factbook
Austria, officially the Republic of Austria, is a federal republic and a landlocked country of roughly 8.5 million people in Central Europe. Wikipedia
Western Australia is a state occupying the entire western third of Australia. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Southern Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east. Wikipedia