Sejm Constituency no. 4
Sejm Constituency no. 4 is a constituency of the Sejm in Kuyavian-Pomeranian Voivodeship electing twelve deputies. It consists of city county of Bydgoszcz and land counties of Bydgoszcz, Inowrocław, Mogilno, Nakło, Sępólno, Świecie, Tuchola and Żnin.