The building placement and the existence of a group of warehouses were, under the ritsuryo system (a system of centralized government based on the ritsuryo code), similar to those of the gunka (regional office), but not of the kokuga (state office), but there were inner compartments which the gunka did not have.
建物配置と倉庫群の存在は律令制下の国衙とは似ず、むしろ郡衙と似るが、郡衙にない内部区画がある。