A district or county — an administrative division below a prefecture (used in addresses and local administration).
住所欄には市名と郡名を正しく書いてください。
Please write the city and county names correctly in the address field.
この町はかつて○○郡に属していた。
This town used to belong to ○○ District.
郡役所で住民票の手続きをした。
I handled the resident registration at the county office.
A historical district under the ritsuryō system — the county-level unit defined in ancient Japan's kokugun-risē system.
律令制では郡が戸数に基づいて編成された。
Under the ritsuryō system, districts were organized based on the number of households.
A commandery in ancient China — a historical administrative division (commandery).
漢代の史書には多くの郡の記録が残っている。
Many records of commanderies remain in Han dynasty histories.