

Leszno (German: Lissa) is a city in Greater Poland Voivodeship in western Poland. About 59 521 people live there. Its area is 31.9 km². The current mayor of Leszno (since 2024) is Grzegorz Rusiecki. Leszno is located between two large urban centers - Poznań and Wrocław. According to data of The Main Statistic Office of Poland datef for 31th December 2024, Leszno is seventh biggest city in Voivodeship, and 64th biggest city in Poland.
First historical notice about Leszno is from 1394 year, wneh city belonged to person called Stefan from Karnin. In the beggining of it existing, Leszno was known as a Leszczno, and current name (Leszno) is evolved version of first name of this city. In medieval ages in place of this city was located two villages called Leszczno and Leszczynko. Current districts of Leszno was back them apart villages.
In 1397, the town heir's Stefan Karmiński and Szymon of Grunowo had a trial about borders between Leszno and Grunowo (currently: Gronowo). In the end borders was set by referees of both sides.
Leszno is twinned with: