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Antarctica and surrounding islands in relation to the Antarctic Convergence and the 60th parallel south. The following list of island groups contains the largest or most notable islands in their respective group. A more detailed list of islands in a given group may be found on their respective pages, when applicable.
The proposal for the name Southern Ocean won 18 votes, beating the alternative Antarctic Ocean. Half of the votes supported a definition of the ocean's northern limit at 60°S (with no land interruptions at this latitude), with the other 14 votes cast for other definitions, mostly 50°S, but a few for as far north as 35°S.
The islands of the Indian Ocean are part of either the eastern, western, or southern areas. Some prominently large islands include Madagascar, Sri Lanka, and the Indonesian islands of Sumatra, Java, and Lesser Sunda Islands.
Its west coast from the tip of the Antarctic Peninsula south to 68° S, which has a maritime Antarctic climate, is the mildest part of the Antarctic Peninsula. Within this part of the Antarctic Peninsula, temperatures exceed 0 °C (32 °F) for 3 or 4 months during the summer, and rarely fall below −10 °C (14 °F) during the winter.
The Indian Ocean is the third-largest of the world's five oceanic divisions, covering 70,560,000 km 2 (27,240,000 sq mi) or approximately 20% of the water area of Earth's surface. [4]
The subantarctic Front, found between 48°S and 58°S in the Indian and Pacific Ocean and between 42°S and 48°S in the Atlantic Ocean, defines the northern boundary of the Antarctic Circumpolar Current (or ACC). [1] The ACC is the most important ocean current in the Southern Ocean, and the only current that flows completely around the Earth.
The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Indochinese peninsula , located below the Bengal region . Many South Asian and Southeast Asian countries are dependent on the Bay of Bengal .
Extent of the Indian Ocean according to the International Hydrographic Organization. This list of sovereign states and dependent territories in the Indian Ocean consists of 38 countries, with 13 in Africa, 22 in Asia, and 1 in Oceania that either border on or are in the Indian Ocean, as well as 2 European countries which administer several dependencies or overseas territories in the region.