Wudu District is a municipal district under the jurisdiction of Longnan City, Gansu Province, located in the southeast of Gansu Province, the central and western parts of Longnan City and the middle reaches of Bailong River. Wudu was originally a place name, Wudu County in the Western Han Dynasty, Wuzhou in the Northern Wei Dynasty, Jizhou in the Tang Dynasty, Wudu County in the Republic of China, and withdrew from the county in 2004.
Wudu District is the political, economic, cultural, transportation and military center of Longnan, an important transportation hub and commercial logistics center in the south of the province, and one of the regional central cities in southeastern Gansu.