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 Wilderness, Pionki is located in northern part of historic province of Lesser Poland, 20 kilometres (12 miles) from Radom, and 105 kilometres (65 miles) from Warsaw.