- SUMATRA
- MEDAN AREA OF NORTH SUMATRA
- LAKE TOBA AREA AND THE TOBA SUPERVOLCANO ERUPTION 71,000 YEARS AGO
- RAIN FOREST PARKS OF NORTH SUMATRA
- NIAS ISLAND
- ACEH
- WEST SUMATRA
- MENTAWAI ISLANDS
- BUKITTINGGI AREA OF WEST SUMATRA
- RIAU PROVINCE
- DEVELOPED PARTS OF RIAU PROVINCE ACCESSIBLE TO SINGAPORE
- SOUTHERN SUMATRA
- JAMBI PROVINCE
- LAMPUNG PROVINCE: SUMATRA'S GATEWAY TO KRAKATAU AND JAVA
- RAIN FORESTS IN SOUTHERN SUMATRA