(Communes)
| Hai Van Quan | |
| Hải Vân Quan is a historic military fortress located at the summit of Hải Vân Pass, on the border between Huế City and Đà Nẵng City. Built in 1826 under the reign of Emperor Minh Mạng of the Nguyễn Dynasty, it served as a strategic defensive structure to protect the imperial capital of Huế and control movement between the northern and central regions of Vietnam. | |