Brunei officially the Nation of Brunei, the Abode of Peace, is a sovereign state located on the north coast of the island of Borneo in Southeast Asia. Apart from its coastline with the South China Sea, the country is completely surrounded by the Malaysian state of Sarawak. It is separated into two parts by the Sarawak district of Limbang. Brunei is the only sovereign state completely on the island of Borneo; the remainder of the island's territory is divided between the nations of Malaysia and Indonesia. Brunei's population was 423,196 in 2016.

Brunei gained its independence from the United Kingdom on 1 January 1984. Economic growth during the 1990s and 2000s, with the GDP increasing 56% from 1999 to 2008, transformed Brunei into an industrialised country. It has developed wealth from extensive petroleum and natural gas fields. Brunei has the second-highest Human Development Index among the Southeast Asian nations, after Singapore, and is classified as a "developed country". According to the International Monetary Fund (IMF), Brunei is ranked fifth in the world by gross domestic product per capita at purchasing power parity.

More Info: en.wikipedia.org