In Western Han dynasty, it administered 29 counties: Zhuo, Nai (迺), Guqiu (穀丘), Gu'an (故安), Nan Shenze (南深澤), Fanyang (范陽), Liwu (蠡吾), Rongcheng (容城), Yi (易), Guangwang (廣望), Mao (鄚), Gaoyang (高陽), Zhouxiang (州鄉), Anping (安平), Fanyu (樊輿), Cheng (成), Liangxiang (良鄉), Lixiang (利鄉), Linxiang (臨鄉), Yichang (益昌), Yangxiang (陽鄉), Xixiang (西鄉), Raoyang (饒陽), Zhongshui (中水), Wuyuan (武垣), Aling (阿陵), Awu (阿武), Gaoguo (高郭) and Xinchang (新昌).
[1] Most of the counties were abolished in Eastern Han, and only 7 counties were listed in the Book of Later Han: Zhuo, Nai, Gu'an, Liangxiang, Bei Xincheng (北新城) and Fangcheng (方城, formerly part of Guangyang).
[2] During Emperor Wen of Wei's reign, Zhuo was renamed Fanyang (范陽).
After the establishment of Jin dynasty, the territory was reorganized into the Principality of Fanyang (范陽國).
Three princes held the title Prince of Fanyang:[3] The principality consisted of 8 counties: Zhuo, Liangxiang, Fangcheng, Changxiang (長鄉), Nai, Gu'an, Fanyang and Rongcheng.