Citadel of Hồ Dynasty is a citadel in Vietnam, constructed by the Hồ Dynasty (1400-1407).
It is located in Tây Giai commune, Vĩnh Lộc District, in Thanh Hóa Province, in Vietnam's North Central Coast region.
Tây Đô castle is rectangular in shape. Its north-south side is 870.5m in length and its east-west side is 883.5m in length. There are four gates: one at the south (fore gate), one at the north (back gate), one at the east (left gate), and one at the west (right gate). The southern gate is 9.5m high and 15.17m wide.
The castle was constructed from stone blocks, each of which is 2 * 1* size on average.
Except for its gates, the castle is mostly ruined.
The Citadel was inscribed on UNESCO World Heritage Sites on June 27, 2011.