noun
county and prefecture system
Historical administrative system in China and Japan, dividing territory into counties (郡) and prefectures (県). Used in historical or academic contexts.
郡県制度は中国の秦代に始まった。
The county and prefecture system began in China's Qin dynasty.
日本でも律令制のもとで郡
In Japan, the county and prefecture system was also introduced under the ritsuryō system.