Gunji conducted government affairs at a public office called Gunga (provincial office), but sometimes a private residence of Gozoku who were assigned to be Gunji was used as Gunga.
郡司は郡衙と呼ばれる役所で政務を執ったが、しばしば郡司に任命された豪族の私的居館が郡衙として用いられた。