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Oceania

Oceania
An orthographic projection of geopolitical Oceania.
Geopolitical Oceania
Area 8,525,989 km2 (3,291,903 sq mi)
Population 36,659,000 (2010, 6th)
Pop. density 4.19/km2 (10.9/sq mi)
Demonym Oceanian
Countries
Dependencies
Languages
Time zones UTC+14 (Kiribati) to UTC-11 (American Samoa and Niue) (West to East)
Largest cities

Oceania (UK /ˌʃiˈɑːniə, ˌsi-/ or US /ˌʃˈæniə/), also known as Oceanica, is a region centred on the islands of the tropical Pacific Ocean. Opinions of what constitutes Oceania range from its three subregions of Melanesia, Micronesia, and Polynesia to, more broadly, the entire insular region between Southeast Asia and the Americas, including Australasia and the Malay Archipelago.

The term is often used more specifically to denote a continent comprising Australia and proximate islands or biogeographically as a synonym for either the Australasian ecozone (Wallacea and Australasia) or the Pacific ecozone (Melanesia, Polynesia, and Micronesia, excluding both New Zealand and mainland New Guinea).


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