Temburong is the Eastern district or daerah of the Sultanate of Brunei. It owes its name with the principal river the beam It has the effect of constituting a Enclave and of being separate remainder of Brunei by the Malaysia. The territory is however accessible by the sea while crossing the Baie from Brunei.

• the capital is Bangar.
• Another important city: Labu.

The Eastern border of the district is consisted the river Sungai Pandaruan.