As for the Kokugun System, kuni, agata, etc. which had been the influence area of Gozoku, were reorganized and reshaped in the form of the present ryoseikoku.
国郡制度に関しては、旧来の豪族の勢力圏であった国や県（あがた）などを整備し直し、現在の令制国の姿に整えられていった。