The continent of Australia, smallest of the seven traditional continents, is comprised of mainland Australia, Tasmania, New Guinea, Seram, Timor, and neighboring islands. It is the smallest of the seven traditional continents in the English conception. New Zealand is not part of the continent of Australia, but of the separate, submerged continent of Zealandia. Zealandia and Australia are both part of the wider regions known as Australasia and Oceania. Oceania also covers Polynesia, Micronesia, and other island nations in the South Pacific. Home to over 35 million people, it covers 3,291,903 square miles in the Southern Pacific and Indian Oceans.