Maritime Southeast Asia
Maritime Southeast Asia comprises the countries of Brunei, Indonesia, Malaysia, the Philippines, Singapore, and East Timor.
The term Island Southeast Asia or Insular Southeast Asia is sometimes given the same meaning as Maritime Southeast Asia. Wikipedia
Area: 1.108 million mi²
Highest elevation: 4,095 m (13435 ft)
Highest point: Mount Kinabalu
Location: Indonesian Archipelago; Philippine Archipelago; Peninsular Malaysia; East Malaysia; Singapore
Population: 380,000,000
Total islands: 25,000