Southeast Asia is geographically divided into two subregions, namely Mainland Southeast Asia (or Indochina) and Maritime Southeast Asia (or the similarly defined Malay Archipelago) (Indonesian: Nusantara).
Mainland Southeast Asia includes:
- Myanmar (Burma)
- Cambodia
- Laos
- Thailand
- Vietnam
Maritime Southeast Asia includes:
7. East Malaysia
8. Brunei
9. Indonesia
10. Philippines
11. Singapore
12. Timor-Leste
The Andaman and Nicobar Islands of India are geographically considered part of Southeast Asia. Bangladesh and the Seven Sister States of India are culturally part of Southeast Asia and sometimes considered both South Asian and Southeast Asian. The Seven Sister States of India are also geographically part of southeast Asia. Hainan Island and several other southern Chinese regions such as Yunnan, Guizhou and Guangxi are considered both East Asian and Southeast Asian. The rest of New Guinea is sometimes included so are Palau, Guam, and the Northern Mariana Islands, which were all part of the Spanish East Indies.
