Negara Brunei Darussalam is on the island of Borneo in Southeastern Asia. Brunei shares the island, one of the largest in the world, with Malaysia and Indonesia. The South China Sea is north of Brunei. Brunei is divided into two parts, separated by Malaysia, with Brunei Bay to the north of the country. Rivers include the Belait, Brunei, Tutong and Temburong.

Bandar Seri Begawan is the capital. Brunei is divided into the administrative districts of Belait, Brunei-Muara, Tutong, and Temburong.

Brunei has a wide coastal plain, hilly lowlands in the west, and mountains in the east.

The climate of Brunei is tropical.

The population of Brunei was estimated at 379,444 in 2006.

Malay - Bahasa Melayu - is the official language. English is widely spoken. Chinese (Cantonese, Hokkien and Mandarin) and indigenous languages are also spoken by some sections of the population.

Islam is the official religion in Brunei (sixty-seven percent of the population). Thirteen percent of the people are Buddhists and ten percent Christian.

Brunei Darussalam is a Sultanate, which occupies 5,765 square kilometres on the north-west corner of the island of Borneo. Its capital, Bandar Seri Begawan, is situated on the Brunei River. Rainforest covers approximately 80 per cent of Brunei's landmass. Brunei claims a 200 kilometre Exclusive Economic Zone which overlaps with other claims in the South China Sea.

It is estimated that approximately 70 per cent of Brunei's population (estimated in 2005 at 370,000) is Malay. There are also significant Chinese and indigenous communities. Malay is the national and official language, although English is widely used in commerce, government and education. Under Brunei's education system, students begin bilingual English and Malay (or Chinese, depending on their ethnic background) language instruction from age six.