Indonesia is the fourteenth-largest country in the world in terms of area and is quite close to fourth in terms of people. The Republic of Indonesia is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea. Indonesia is the world's largest Archipelagic country.Indonesia shares land borders with Papua New Guinea, East Timor, and the eastern part of Malaysia, as well as Maritime borders with Singapore, Vietnam, Thailand, the Philippines, Australia, Palau, and India (Andaman and Nicobar Islands). Despite its large population and densely populated regions, Indonesia has vast areas of wilderness that support one of the world’s highest levels of biodiversity.