Indonesia, officially the Republic of Indonesia, is a unitary sovereign state and transcontinental country located mainly in Southeast Asia, with some territories in Oceania. Situated between the Indian and Pacific oceans, it is the world's largest island country, with more than thirteen thousand islands. At 1,904,569 square kilometres, Indonesia is the world's 14th largest country in terms of land area and the 7th largest in terms of combined sea and land area. With over 261 million people, it is the world's 4th most populous country as well as the most populous Austronesian and Muslim-majority country. Java, the world's most populous island, contains more than half of the country's population.
Indonesia's republican form of government includes an elected parliament and president. Indonesia has 34 provinces, of which five have Special status. Its capital is Jakarta, which is the second most populous urban area in the world. The country shares land borders with Papua New Guinea, East Timor, and the eastern part of Malaysia. Other neighbouring countries include Singapore, Vietnam, the Philippines, Australia, Palau, and India's Andaman and Nicobar Islands.