Zhanggong District

Zhanggong District is the administrative center of the prefecture-level city of Ganzhou in Jiangxi Province, China. The oldest part of Ganzhou's ancient sewage system named Fushou Gou (福寿沟, literally "Happiness and Longevity Ditch"), which was built during the eleventh century AD and still in use today, is located in Zhanggong District.