where is indochina located
5. Review questions. Regional Characteristics. The three countries of Cambodia, Laos, and Vietnam represent Indochina, located in Southeast Asia to the south of China and to the east of Thailand.Like much of this part of the world Indochina was colonized by Europeans.. Review questions. Regional Characteristics. The three countries of Cambodia, Laos, and Vietnam represent Indochina, located in Southeast Asia to the south of China and to the east of Thailand.