Daigun consisted of 16-20 villages, jogun of 12-15, chugun of 8-11, gegun of 4-7 and shogun of 2-3, among which gegun did not have a shusei, and shogun did not differentiate between dairyo and shoryo but rather there was only a single manager.
大郡は十六～二十里、上郡は十二～十五里、中郡は八～十一里、下郡は四～七里、小郡二～三里で、下郡には主政が置かれず、小郡では大領・少領を区別せずにただ領一人にを置いた。