Location and geography[edit]
The district borders the South China Sea to the north, the Bruneian district of Tutong to the east and the Malaysian state of Sarawak to the south and west.
The district covers 2,727 km2/1,052 mi², which is about half of the entire nation. The landscape of the district varies from the peat swamps and lowland forests near the coast to the montane rainforesst in the interior parts of the district.
The Belait River (Sungai Belait) flows through Belait and it is the longest river in Brunei. The Belait River, together with its tributaries drains the district - the Belait district roughly corresponds to the watershed of the Belait River.
Mukims of Belait district
The district is further subdivided into 8 Mukims (English: sub-districts). These are often named after the most important town or village contained within. These are:
Bukit Sawat
Kuala Balai
Kuala Belait
Labi
Liang
Melilas
Seria
Sukang
Each Mukim is composed of a number of villages or kampongs.