State of Vietnam was a former autonomous state controlled by France. It was established in 1949. It was an associated state and a constitutent territory of the French Indochina until 1954. From 1954, it became fully independent from France since this country lost the First Indochina War. It was replaced by Republic of Vietnam in 1955. It proclaimed its sovereignty over all of Vietnam's territories, but in fact, it only controlled small parts of its proclaimed territories. Most of its territories was controlled by Viet Minh and Democratic Republic of Vietnam. Only French-occupied territories in Vietnam was controlled by the State of Vietnam. From 1954, the 1954 Geneva Accords divided Vietnam into two countries: North Vietnam and State of Vietnam. North Vietnam's territory is from Quang Binh Province to the North. The State of Vietnam's territory is from Quang Tri Province to the South. Its area was 173,809 km from 1954.