Indochina, or the Indochinese Peninsula, is a region in Southeast Asia. It lies roughly east of India, south of China. The word has French origins, Indochine, and was adopted when French colonisers in Vietnam began expanding their territory to bordering countries.
Historically, the countries of Mainland Southeast Asia received cultural influence from China and India, but to varying degrees. Many Southeast Asian countries are influenced mainly by the culture of India with a smaller influence from the culture of China. However, this is actually reversed in the culture of Vietnam where the main foreign influence is from the culture of China with a much smaller influence from India, largely via the Champa civilization that Vietnam conquered during its southward expansion.
Indochina comprises the territory of the following countries:
Note that the term Sino-Indian is used to describe things relating to India and China. (e.g. Sino-Indian relations).