Szostaki [ʂɔsˈtaki] is a village in the administrative district of Gmina Wronki, within Szamotuły County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 24 kilometres (15 mi) west of Wronki, 40 km (25 mi) west of Szamotuły, and 70 km (43 mi) north-west of the regional capital Poznań.