Krosinko, West Pomeranian Voivodeship  Krosinko (formerly German "Klein Krössin") is a village in the administrative district of Gmina Tychowo, within Białogard County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately south-west of Tychowo, south-east of Białogard, and north-east of the regional capital Szczecin. Before 1945 the area was part of Germany. For the history of the region, see History of Pomerania. The village has a population of 100.