| Word | Reading | Meaning |
| 郡 | ぐん, こおり | district, county; district (of 2-20 50-home neighbourhoods or townships, in the Ritsuryo period) |
| 郡部 | ぐんぶ | rural districts, counties |
| 共産国家郡 | きょうさんこっかぐん | Communist bloc |
| 郡県 | ぐんけん | counties and prefectures |
| 郡役所 | ぐんやくしょ | county offices |
| 郡県制度 | ぐんけんせいど | county and prefecture system |
| 郡制 | ぐんせい | county system |
| 郡長 | ぐんちょう | district headman, head county official |
| 国郡里制 | こくぐんりせい | province-district-neighbourhood system (system of administrative divisions under the ritsuryo; 1 neighbourhood=~50 homes, 1 district=2-20 neighbourhoods) |