Krosinek
 Krosinek [krɔˈɕinɛk] is a village in the administrative district of Gmina Połajewo within Czarnków-Trzcianka County Greater Poland Voivodeship in west-central Poland. It lies approximately 5 kilometres (3 mi) north-west of Połajewo 13 km (8 mi) south-east of Czarnków and 49 km (30 mi) north of the regional capital Poznań.