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Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different contexts, including geopolitically , physiogeographically , philologically , and ecologically , where the term ...
Asia and Europe are considered separate continents for historical reasons; the division between the two goes back to the early Greek geographers. In the modern sense of the term "continent", Eurasia is more readily identifiable as a "continent", and Europe has occasionally been described as a subcontinent of Eurasia. [68]
The four continents, plus Australia, added later. Europeans in the 16th century divided the world into four continents: Africa, America, Asia, and Europe. [1] Each of the four continents was seen to represent its quadrant of the world—Africa in the south, America in the west, Asia in the east, and Europe in the north.
In this book the other two continents were categorized as being the New World (consisting of North America and South America) and the Old World (consisting of Africa, Asia and Europe). [23] In his 1879 book Australasia, British naturalist Alfred Russel Wallace commented that, "Oceania is the word often used by continental geographers to ...
There are thus six great divisions of the earth — Europe, Asia, Africa, North America, South America and Oceania." [ 30 ] American author Samuel Griswold Goodrich wrote in his 1854 book History of All Nations that, "geographers have agreed to consider the island world of the Pacific Ocean as a third continent, under the name Oceania."
Although it is mostly ocean and spans many tectonic plates, Oceania is occasionally listed as one of the continents. Most of this list follows the boundaries of geopolitical Oceania, which includes Australasia, Melanesia, Micronesia, and Polynesia. The main continental landmass of Oceania is Australia. [1]
Location of Oceania. The following outline is provided as an overview and topical guide to Oceania.. Oceania is a geographical, and geopolitical, region consisting of numerous lands—mostly islands in the Pacific Ocean and vicinity.
22 geographical subregions as defined by the UNSD. Antarctica is not shown.. The United Nations geoscheme is a system which divides 248 countries and territories in the world into six continental regions, 22 geographical subregions, and two intermediary regions. [1]