Bắc Trung Bộ is one of the geographic regions of Vietnam. It consists of six provinces in northern part of Central Vietnam: Thanh Hóa, Nghệ An, Hà Tĩnh, Quảng Bình, Quảng Trị, Huế. The last two provinces were the northernmost provinces of State of Vietnam and South Vietnam until Reunification of Vietnam in 1976. In the Nguyễn dynasty, this area was known as Hữu Trực Kỳ.