Jingdong Circuit
Jingdong Circuit or Jingdong Province was one of the major circuits during the Song dynasty.
In 977, the Guangji Army was established. In 979, parts of Cao, Chan, Pu, and Ji were carved out, counties were re-established, and placed under the jurisdiction of Guangji Army. In 1071, Guangji Army was abolished, and Dingtao County was placed under Cao Prefecture. In 1073, the Jingdong Circuit was officially divided into Jingdong [East Circuit] and Jingdong [West Circuit]. The boundary between the two circuits was set at present-day Mount Tai and the Yi River. The administrative seat of Jingdong East Circuit was located in Qizhou, while that of Jingdong West Circuit was in Yanzhou, later moved to Yingtian Fu.
In 1127, the Northern song was eliminated by Jin dynasty, during Jin dynasty, two parts of Jingdong Circuit were renamed Shandong East Circuit and Shandong West Circuit.