Indochina

geographical name

In·​do·​chi·​na ˌin-(ˌ)dō-ˈchī-nə 

1

peninsula in southeastern Asia; includes Myanmar (Burma), Cambodia, Laos, Thailand, Vietnam, and Peninsular Malaysia

2

or French Indochina former country in southeastern Asia comprising Annam, Cochin China, and Tonkin (all now part of Vietnam), Cambodia, and Laos; capital Hanoi