Oceania and Australia are not the same.
Oceania is a geographical region that encompasses the islands of the Pacific Ocean, including Melanesia, Micronesia, and Polynesia.
It includes countries such as Fiji, Papua New Guinea, the Solomon Islands, and others, as well as the territories of French Polynesia, Guam, and the Northern Mariana Islands.
Australia, on the other hand, is a country and continent located in the Southern Hemisphere.
It is the smallest continent in terms of land area and the sixth largest country in the world in terms of land area.
Australia is bordered by the Indian Ocean to the west and the Pacific Ocean to the east and is home to several territories, including the Australian Capital Territory and the Northern Territory.
So while Australia is a part of Oceania, Oceania is not limited to Australia.
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Oceania & Australian Questions