Hue is a city in central Vietnam built in the banks of the Huong Giang ("perfume river") just a few km inland from the South China sea. It was home to generations of Vietnam's most powerful emperors. Between 1802 and 1945 it was the imperial capital of the Nguyen Dynasty and also the cultural and religious centre of Vietnam. During the Vietnam war in 1968 the city suffered heavy damage. Hue has several historic monuments and sites, the largest being the Inperial city of Citadel. Near Hue are several tombs of Vietnamese emperors. The complex of monuments of Hue have been a UNESCO World Heritage site since 1968.