What does 郡 mean?
郡 is a Japanese noun meaning “country, district” in English. It can also be translated as “commandery (in China)” depending on context. It is written as 郡 in kanji, ぐん in hiragana, and gun in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
これは豊能郡の地図です。
This is a map of the Toyono district.