Ostrówek, Sępólno County


Ostrówek is a village in the administrative district of Gmina Sośno, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately south-west of Sośno, south-east of Sępólno Krajeńskie, and north-west of Bydgoszcz.
The village has a population of 100.