 Sebuku's location south-east of Borneo | |
  Sebuku Sebuku (Borneo) | |
| Geography | |
|---|---|
| Location | South East Asia |
| Coordinates | 3°27′S 116°23′E / 3.45°S 116.39°E |
| Area | 275 km2 (106 sq mi) |
| Administration | |
Indonesia | |
| Demographics | |
| Population | 4,900 (2008) |
| Pop. density | 17.8/km2 (46.1/sq mi) |
Sebuku (old spelling Seboekoe) is a 275-square-kilometre (106 sq mi) island south-east of Borneo and administratively part of South Kalimantan, Indonesia. Sebuku is home to a large coal mine operated by Straits Asia Resources, which produces 3 million tonnes of coal every year.