The Federation of Malaysia comprise of Peninsular Malaysia and the states of Sabah and Sarawak on the island of Borneo.
There are a total of 6 major zoogeographic regions in the world and Malaysia lies within Oriental Region. The Oriental Region includes all of Asia south and east of the Himalayan Mountains (India and South East Asia), as well as southern China and the Islands of Indonesia and the Philippines.
This is a low lying area and it is permanently waterlogged and covered with fresh water swamp forest. Patches of forest and caves exist along the floodplain corridor.