Piła is a city in northwestern Poland and the capital of Piła County, situated in the Greater Poland Voivodeship. Its population as of 2021 was 71,846, making it the third-largest city in the voivodeship after Poznań and Kalisz and the largest city in the northern part of Greater Poland. The city is located on the Gwda river and is famous for its green areas, parks and dense forests nearby. It is an important road and railway hub, located at the intersection of two main lines: Poznań–Szczecin and Bydgoszcz–Krzyż Wielkopolski.