Migration and Distribution 1. Donglu Commandery: Generally refers to places such as Jinan, Tai'an, and Yanzhou in present-day Shandong. 2. Wuling Commandery: A commandery established in the Han Dynasty, with its seat in Yiling (the old city is located south of present-day Xupu, Hunan). Its jurisdiction was equivalent to present-day Changyang, Wufeng, Hefeng, Laifeng and other counties in Hubei, areas west of the Yuanjiang River Basin in Hunan, eastern Guizhou, and Sanjiang and Longsheng in Guangxi. 3. Wei Commandery: A commandery established in the Han Dynasty, with its seat in Ye County (the old city is located southwest of present-day Linzhang, Hebei). Its jurisdiction was equivalent to areas south of Wu'an in Hebei, east of She County, west of Guan County in Shandong, and north of Huaxian in Henan.