Wierbka [ˈvjɛrpka] is a village in the administrative district of Gmina Pilica, within Zawiercie County, Silesian Voivodeship, in southern Poland. It lies approximately 5 kilometres (3 mi) east of Pilica, 22 km (14 mi) east of Zawiercie, and 57 km (35 mi) north-east of the regional capital Katowice.