Mainland Southeast Asia

Mainland Southeast Asia, also known as the Indochinese Peninsula or Indochina, is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west and the Pacific Ocean to the east. It includes the countries of Cambodia, Laos, Myanmar (Burma), Thailand and Vietnam.

Mainland Southeast Asia
Indochinese Peninsula
Indochina
Area1,938,745 km2 (748,554 sq mi)
Population243,201,036 (1 July 2019)
GDP (PPP)$2.877 trillion (2021)
GDP (nominal)$1.027 trillion (2021)
Countries Cambodia
 Laos
 Myanmar (Burma)
 Thailand
 Vietnam

The term Indochina (originally Indo-China) was coined in the early nineteenth century, emphasizing the cultural influence of Indian and Chinese civilizations on the area. The term was later adopted as the name of the colony of French Indochina (today's Cambodia, Laos, and Vietnam).