French Indochina , previously spelled as French Indo-China , Indochine française សហភ ពឥណ ឌ ច ន Đông Dương thuộc Pháp , ɗə̄wŋm jɨ̄əŋ thûək fǎp , lacking an abbreviation , officially known as the Indochinese Union , Union indochinoise after 1887 and the Indochinese Federation , Fédération indochinoise after 1947 , was a grouping of French colonial territories in Southeast Asia .
Frequently , French Indochina is abbreviated .