<Tr> <Th> Population </Th> <Td> 380,000,000 </Td> </Tr> <Tr> <Th> Ethnic groups </Th> <Td> Predominantly Austronesians, Negritos, Papuans and Melanesians, Overseas Chinese, Overseas Indians </Td> </Tr> <P> The Malay Archipelago (Malaysian & Indonesian: Kepulauan Melayu / Nusantara, Tagalog: Kapuluang Malay, Visayan: Kapupud - ang Malay) is the archipelago between mainland Indochina and Australia . It has also been called the Malay World, Indo - Australian Archipelago, East Indies, Nusantara, Spices Archipelago, and other names over time . The name was taken from the 19th - century European concept of a Malay race, later based on the distribution of Austronesian languages . </P> <P> Situated between the Indian and Pacific Oceans, the group of over 25,000 islands is the largest archipelago by area, and fourth by number of islands in the world . It includes Brunei, Singapore, East Malaysia, Indonesia, the Philippines and East Timor . The island of New Guinea is usually excluded from definitions of the Malay Archipelago, although the Indonesian western portion of the island may be included . The term is largely synonymous with maritime Southeast Asia . </P>

What is the world's third largest island in the malay archipelago