郡jùn古代的行政区划,比县小,秦汉以后,郡比县大{prefecture; administrative division, smaller than a county before the Qin and Han dynasties, and larger than a county after}: ～县{prefecture and county}|会稽～{Kuaiji Prefecture}|秦分天下为三十六～。{There were 36 prefectures in the Qin Dynasty.}