"Australia is the name of the smallest continent in the world, as well as the short name of the state of the Australian Federation. The Commonwealth of Australia is the sixth largest country in the world, the only one that fully occupies a continent, and the largest in the region of Australia. In the north, through the sea, Indonesia, Papua New Guinea and East Timor, and in the southeast, New Zealand. The name Australia derives from the Latin phrase terra australis incognita, which means an unknown southern country. Australia is the sixth largest country in the world and the only one that fully occupies a continent. It has 23 million inhabitants, and its capital city is Canberra. The official language is English. It lies on the southern eastern hemisphere. In the west it is surrounded by the Indian Ocean in the east and the Pacific Ocean."