Regions and Nations of Southeast Asia

Southeast Asia contains both a mainland region
and many islands. The countries in Southeast
Asia include Brunei, Cambodia, Indonesia,
Laos, Malaysia, Myanmar (Burma), the
Philippines, Singapore, Thailand, and Vietnam.
The mainland lies on the Indochinese and
the Malay peninsulas. Mainland Southeast
Asia includes Cambodia, Laos, Myanmar,
Thailand, Vietnam, and part of Malaysia. The
Mekong River flows through Laos, Cambodia,
and Vietnam. This rice-producing region is
densely populated.

The islands of Southeast Asia include
Borneo, the island of Singapore, and the
archipelagoes of Indonesia and the Philippines.
An archipelago is a group of islands.
Indonesia is the largest nation in Southeast
Asia. It is about three times the size of Texas,
with the fourth largest population in the world.
Indonesia is made up of 17,000 islands.
The 7,100 islands of the Philippines cover an
area about the size of the state of Arizona. Only
800 of these islands are inhabited.