Krzyż Wielkopolski is a town in Poland, with 6,176 inhabitants in the Czarnków-Trzcianka County, Greater Poland Voivodeship. It is an im…Krzyż Wielkopolski is a town in Poland, with 6,176 inhabitants in the Czarnków-Trzcianka County, Greater Poland Voivodeship. It is an important railroad junction, with two major lines crossing there - the Berlin-Bydgoszcz and the Poznań-Szczecin connections.