The Indian Ocean is the third-largest of the world's five oceanic divisions, covering 70,560,000 km² or ~20% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by the Southern Ocea…
The Indian Ocean is the third-largest of the world's five oceanic divisions, covering 70,560,000 km² or ~20% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by the Southern Ocean, or Antarctica, depending on the definition in use. Along its core, the Indian Ocean has large marginal, or regional seas, such as the Arabian Sea, Laccadive Sea, Bay of Bengal and Andaman Sea.
Primary inflows: Zambezi, Ganges-Brahmaputra, Indus, Jubba, and Murray (largest 5)
Catchment area: 21,100,000 km² (8,100,000 sq mi)
Basin countries: South and Southeast Asia, Western Asia, Northeast, East and Southern Africa and Australia
Max. length: 9,600 km (6,000 mi) · (Antarctica to Bay of Bengal)
Max. width: 7,600 km (4,700 mi) · (Africa to Australia)
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