There were three tiers of administrative districts, province, county, and village (township), with a provincial governor deployed in each province, a local magistrate deployed in each county, and a village chief (township head) deployed in each village.
行政区画としては、令制国・郡・里（郷）の三層に分けて、国には国司、郡には郡司、里には里長（郷長）を置いた。