Domain of the Crown
The Domain of the Crown (Vietnamese: Hoàng triều Cương thổ; Chữ Hán: 皇朝疆土; French: Domaine de la Couronne; Modern Vietnamese: Đất của vua) was originally the Nguyễn dynasty's geopolitical concept for its protectorates and principalities where the ethnic Kinh did not make up the majority, later it became a type of administrative unit of the State of Vietnam. It was officially established on 15 April 1950.