Jiedushi

The ' or ' was a regional military governor in imperial China. The title was established in the Tang dynasty and abolished in the Yuan dynasty. The post of jiedushi has been translated as "military commissioner" or "governor", "legate", and "regional commander". Originally introduced in AD711 to counter external threats, the jiedushi were posts authorized with the supervision of a defense command often encompassing several prefectures, the ability to maintain their own armies, collect taxes and promote and appoint subordinates.

Tang dynasty military district, part of Three Fanzhen of Hebei, from the end of the Tang dynasty to the Five dynasties and Ten Kingdoms