Płońsk County
（重定向自Plonski）
Płońsk County (Polish:powiat płoński) is a unit of territorial administration and local government (powiat) in Masovian Voivodeship, east-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 Płońsk, which lies 63 kilometres (39 mi) north-west of Warsaw. The only other town in the county is Raciąż, lying 25 km (16 mi) north-west of Płońsk.