 During the rule of Emperor Yuan, Emperor Ming, and Emperor Cheng, the lodged administrative divisions were concentrated in the area south of the Huai River and the Lower Yangtze Plain.At first there was the lodged Langya Commandery within lodged Fei County in Jiankang, but when it began is not exactly known.Then the lodged Huaide County was also established in Jiankang, around 320.