Olsza, Kuyavian-Pomeranian Voivodeship


Olsza is a village in the administrative district of Gmina Mogilno, within Mogilno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately south-east of Mogilno, south of Bydgoszcz, and south-west of Toruń.