Australia got its name from the Latin word for 'south' and is nicknamed 'The Land Down Under' due to its location far south. Aboriginal Australians first arrived around 42,000-48,000 years ago, migrating from Southeast Asia. Australia is surrounded by the Indian, Southern, and Pacific Oceans and home to the Great Barrier Reef off its northeast coast. Sports like cricket and rugby are very popular in Australia. Some unique animals to Australia include kangaroos, koalas, and platypuses.