| name | type | Area (m²) | capital city | Country | continent | population (people) |
|---|---|---|---|---|---|---|
| Belait District | District | 2,724,000,000 | Brunei | Asia | 109,000 | |
| Brunei-Muara District | District | 571,000,000 | Brunei | Asia | 279,800 | |
| Temburong District | District | 1,166,000,000 | Brunei | Asia | 9,300 | |
| Tutong District | District | 1,303,000,064 | Brunei | Asia | 56,000 |