The division of territory in the western Jin dynasty

Territory division of the Western Jin Dynasty:

Territory scope:

The Western Jin Dynasty inherited the territory of Cao Wei and gained the territory of Sun Wu after reunification. The territory reaches Shanxi, Hebei and Liaodong in the north, and is adjacent to South Xiongnu, Xianbei and Koguryo. East to the sea; South to Jiaozhou (now northern Vietnam); West to Gansu and Yunnan, adjacent to Xianbei, Qiang and Bian in Hexi.

administrative division:

the administrative division system in the western Jin dynasty inherited the system at the end of the eastern Han dynasty, and it was a three-level system of states, counties and counties. During the Cao and Wei Dynasties in the Three Kingdoms, there were twelve states: Si, Yu, Yan, Qing, Xu, Ji, You, He, Yong, Liang, Jing and Yang, which were divided into Yizhou and Liangzhou after the destruction of Shu Han. After Cao Wei in the Western Jin Dynasty in 265, Qin Zhou was divided into three states: Yong, Liang and Liang, Ningzhou in Yizhou and Pingzhou in Youzhou. After the destruction of Sun Wu in 28, the four states of Jing, Yang, Jiao and Guang were acquired, and the two states of Jing and Yang were merged with the original states of Cao Weijing and Yang, resulting in * * * 19 states. Qin Zhou and Ningzhou were abolished, but later they were reinstated. In 291, Jiangzhou was set up in Jing and Yangzhou, and Xiangzhou was set up in Jing and Jiangzhou in 37. So far, there are twenty-one states. Below the state, there are counties and kingdoms. The Emperor Wudi of the Jin Dynasty prevented the ambitious clan from usurping the throne, and formulated the enfeoffment system. According to the size of the population, there were three types: big country, sub-country and small country (see the list of vassal kings in the Jin Dynasty for details).