Western Australia

 was a state in Australia dominated by desert. Nat Simms wandered around the deserts solo for a time — until he came to his senses and returned to Perth before his supplies ran out. (PROSE: Invasion of the Cat-People)

At least some of Skylab fell near the town of Esperance. The Tenth Doctor spent some time there rebuffing a Zalphon invasion with a young lad named Harvey. (PROSE: Bennelong Point)