Osiek, Kościan County
# Osiek, Kościan County

Osiek is a village in the administrative district of Gmina Kościan, within Kościan County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 11 kilometres (7 mi) south-east of Kościan and 45 km (28 mi) south of the regional capital Poznań.

