Koziołek [kɔˈʑɔwɛk] is a village in the administrative district of Gmina Bolesławiec, within Wieruszów County, Łódź Voivodeship, in central Poland. It lies approximately 5 kilometres (3 mi) north-east of Bolesławiec, 11 km (7 mi) south-east of Wieruszów, and 106 km (66 mi) south-west of the regional capital Łódź.