Żagań is a town in western Poland, on the Bóbr river, with 25,731 inhabitants. The town is the capital of Żagań County in the historic re…Żagań is a town in western Poland, on the Bóbr river, with 25,731 inhabitants. The town is the capital of Żagań County in the historic region of Silesia. Previously in the Zielona Góra Voivodeship, Żagań has been in the Lubusz Voivodeship since 1999.