Wikipedia
Piastoszyn
Piastoszyn (Pessentin, Piastotzin, Piastoschin,Piaseczno, German: Petztin) is a village in the administrative district of Gmina Kęsowo, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately north of Kęsowo, west of Tuchola, and north of Bydgoszcz.
The village had a population of 560 in 2006.