Pionki [ˈpʲɔŋkʲi] is a town in Radom County, Masovian Voivodeship, central Poland with 20 063 inhabitants (2004). Previously it was in Radom Voivodeship (1975-1998) and in Kielce Voivodeship (until 1975). Surrounded by the Kozienice Forest, Pionki is located in northern part of historic province of Lesser Poland, 20 kilometers from Radom, and 105 kilometers from Warsaw.