Chrzanów County is a unit of territorial administration and local government (powiat) in Lesser Poland Voivodeship, southern Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Chrzanów, which lies west of the regional capital Kraków. The county contains three other towns: Trzebinia, north-east of Chrzanów, Libiaz, south-west of Chrzanów, and Alwernia, south-east of Chrzanów.