(Vietnamese: [hwě] is a city in central Vietnam that was the seat of Nguyen Dynasty emperors and the national capital from 1802–1945.
A major attraction is its vast, 19th-century Citadel, surrounded by a moat and thick stone walls. It encompasses the Imperial City, with palaces and shrines; the Forbidden Purple City, once the emperor’s home; and a replica of the Royal Theater. Huế originally rose to prominence as the capital of the Nguyễn lords, a feudal dynasty that dominated much of southern Vietnam from the 17th to the 19th century. In 1775 when Trịnh lord Trịnh Sâm captured it, it was known as Phú Xuân. The city is located in central Vietnam on the banks of the Perfume River, just a few miles inland from the East Sea. It is about 700 km (430 mi) south of Hanoiand about 1,100 km (680 mi) north of Hồ Chí Minh City.