Malay Peninsula, Greater Sundas, and Philippines;
Four major populations;
(1) S. Andaman Is. and c. Nicobar Is. (Camorta, Katchall, Trinkat).
(2) S. Peninsular Thailand, Malay Peninsula, Singapore, Sumatra, Nias Is. Bangka Is., and Belitung Is. and w. Java including Karimunjawa Is.
(3) Borneo and the Philippines.