 The top place to teach English in Vietnam, Hue. If you are looking for a historic city to live in, Hue is a great choice. The city in central Vietnam served as the seat of the Wind Dynasty emperors, and was the national capital from 1802 to 1945. Its most impressive attraction is the vast, 19th-century Dai Noi Citadel, surrounded by a moat and thick stone walls. The imperial city in Hue also houses various palaces, shrines, and the famous forbidden purple city that was won the emperor's homes.