Malay Archipelago, Largest group of islands in the world, located off the southeastern coast of Asia between the Indian and Pacific oceans. It consists of the more than 13,000 islands of Indonesia and some 7,000 islands of the Philippines. Formerly called the East Indies, the archipelago extends along the Equator for more than 3,800 mi (6,100 km). Principal islands include the Greater Sunda Islands (Sumatra, Java, Borneo, and Celebes), the Lesser Sundas, the Moluccas, New Guinea, Luzon, Mindanao, and the Visayan Islands.
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