Trấn Bình đài

The Trấn Bình đài, also called Mang Cá Garrison (đồn Mang Cá) is a small fortress on the northeast corner of the Imperial City, Huế.

Trấn Bình đài
Coordinates16°29′20″N 107°34′39″E / 16.48889°N 107.57750°E
Site information
Controlled byPeople's Army of Vietnam
Site history
In use1804-present
Vietnam Service Medal ribbon

Vietnam War
Battle of Huế
Garrison information
Occupants1st Division


Constructed during the Nguyen dynasty, it was designed to control movement on the Perfume River. Another fortress, Trấn Hải Thành, was constructed in 1813 to protect the capital against assault from the sea.[1]

The fortress follows the French military engineer Vauban's typical layout,[2] and has 21 canon emplacements.[3]

During the Vietnam War the Mang Ca Garrison and the surrounding area served as the headquarters for the Army of the Republic of Vietnam (ARVN) 1st Division. During the Battle of Huế in February 1968, People's Army of Vietnam (PAVN) forces attempted to overrun the base, but were held back by an ad hoc force of 1st Division troops. The Garrison was reinforced and subsequently used as a base for ARVN and U.S Marine forces to eject the PAVN from the Citadel.[4]

The base was abandoned by the ARVN on 23 March 1975 as part of the withdrawal to Danang in the face of the PAVN's Hue–Da Nang Campaign. The base remains in use by the PAVN.


  1. ^
  2. ^ Bá Đang Nguyễn, Vũ Phương Nguyễn, Hoàng Vân Tạ Traditional Vietnamese architecture 2004- Page 26 "... we see today: the square, three-layer Citadel follows the Asian architectural style whereas the Phong Thanh (Outer Rampart) and the Tran Binh Dai (alias Mang Ca fortress) bear the influence of the French Vauban model (the Ha Noi Citadel, ...)"
  3. ^ Trâǹ Anh Tho Việt Nam, hình ảnh và ấn tượng 1997- Page 33 "lts defence is boosted by the presence present on the North Eastern side of an additional and smaller fortress, Tran Binh Dai (commonly called Mang Ca fortress) equipped with 21 artillery emplacement and many defense works."
  4. ^ Shulimson, Jack; LtCol. Leonard Blasiol; Charles R. Smith; Capt. David A. Dawson (1997). U.S. Marines in Vietnam: 1968, the Defining Year. History and Museums Division, USMC. p. 167. ISBN 0-16-049125-8.

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