Oceania is a name used in geography for the region made up of Australia, Polynesia, Melanesia, and several other island nations in the surrounding area. It is often listed as one of the continents of the world.
The term "Oceania" does not have one single agreed definition. The widest definition of Oceania includes the entire region between continental Asia and the Americas, including Australasia, as well as islands in the Pacific Rim such as the Japanese archipelago, Taiwan, and the Aleutian islands.