Indonesia, officially the Republic of Indonesia is a country in Southeast Asia and Oceania, between the Indian and Pacific oceans. It consists of more than seventeen thousand islands, including Sumatra, Java, Borneo, Sulawesi, and New Guinea. Indonesia is the world's largest island country and the 14th-largest country by land area, at 1,904,569 square kilometres (735,358 square miles). With over 267 million people, it is the world's 4th-most populous country as well as the most populous Muslim-majority country. Java, the world's most populous island, is home to more than half of the country's population.
The country's capital, Jakarta, 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. 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.
The economy of Indonesia is the world's 16th largest by nominal GDP and 7th by GDP at PPP. Indonesia is the only regional power in Southeast Asia and is considered a middle power in global affairs.
The country is a member of several multilateral organisations, including the United Nations, World Trade Organization, International Monetary Fund, G20, and a founding member of Non-Aligned Movement, Association of Southeast Asian Nations, Asia-Pacific Economic Cooperation, East Asia Summit, Asian Infrastructure Investment Bank, and Organisation of Islamic Cooperation.
Nature and culture are prime attractions of Indonesian tourism. The former can boast a unique combination of a tropical climate, a vast archipelago, and a long stretch of beaches, and the latter complement those with a rich cultural heritage reflecting Indonesia's dynamic history and ethnic diversity. Indonesia has a well-preserved natural ecosystem with rain forests that stretch over about 57% of Indonesia's land (225 million acres).
Indonesia is an ethnically diverse country, with around 600 distinct native ethnic groups.The Javanese are the largest ethnic group, constituting 40.2% of the population and are politically dominant. They are predominantly located in the central to eastern parts of Java and also sizable numbers in most provinces.