Zielonka, Sępólno County


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