Radomsko County is a unit of territorial administration and local government (powiat) in Lódz Voivodeship, central 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 Radomsko, which lies south of the regional capital Lódz. The county also contains the towns of Przedbórz, lying east of Radomsko, and Kamiensk, north of Radomsko.