Electoral districts of Poland (okręg wyborczy) are defined by Polish election law. Electoral districts can be divided depending on whether they are individual entities or parts of a larger electoral district with regard to elections to 1) parliament (Sejm) and Senate 2) local offices and 3) European Parliament. Each district has a number of mandates calculated on the basis of its population.
Electoral districts in Poland: Białystok • Bielsko-Biała • Bydgoszcz • Chełm • Chrzanów • Częstochowa • Elbląg • Gdańsk • Gdynia-Słupsk • Gliwice • Kalisz • Katowice • Kielce • Konin • Koszalin • Kraków • Krosno • Legnica • Lublin • Łódź • Nowy Sącz • Olsztyn • Opole • Piła • Piotrków Trybunalski • Płock • Poznań • Radom • Rybnik • Rzeszów • Siedlce • Sieradz • Sosnowiec • Szczecin • Tarnów • Toruń • Warszawa • Warszawa II • Wałbrzych • Wrocław • Zielona Góra