Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It comprises the westernmost part of Eurasia and is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east. Europe is commonly considered to be separated from Asia by the watershed of the Ural Mountains, the Ural River, the Caspian Sea, the Greater Caucasus, the Black Sea, and the waterways of the Turkish Straits.

Western Australia (abbreviated as WA) is a state occupying the western 32.9 percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, and the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a total land area of 2,527,013 square kilometres (975,685 sq mi), and the second-largest country subdivision in the world, surpassed only by Russia's Sakha Republic. As of 2017, the state has about 2.6 million inhabitants – around 11 percent of the national total – of whom the vast majority (92 percent) live in the south-west corner, 79 percent of the population living in the Perth area, leaving the remainder of the state sparsely populated.