Middle of Vietnam or The middle , formerly also known as Trung phần by Republic of Vietnam, Trung kỳ and Annam under French Indochina) is one of the three regions of Vietnam (Northern Vietnam, Middle Vietnam, Southern Vietnam). Central Highlands (Tây Nguyên) are often included in the Central. Sometimes the Central and the Highlands are collectively referred to as Central–Highlands. The name Trung Bộ was used by the king Bảo Đại when he established administrative level higher than the province in 1945, instead of the Trung Kỳ which recalled the French occupation. This name was officially used by government of the Democratic Republic of Vietnam and is popularly used today.