Wierzbica [vjɛʐˈbit͡sa] is a village in Radom County, Masovian Voivodeship, in east-central Poland. It is the seat of the gmina (administrative district) called Gmina Wierzbica. It lies approximately 18 kilometres (11 mi) south of Radom and 108 km (67 mi) south of Warsaw. The village has a population of 1,900, and belongs to historic Polish province of Lesser Poland.