Mieszków [ˈmjɛʂkuf] (German Beinsdorf) is a village in the administrative district of Gmina Trzebiel, within Żary County, Lubusz Voivodeship, in western Poland, close to the German border. It lies approximately 7 kilometres (4 mi) south-east of Trzebiel, 18 km (11 mi) west of Żary, and 58 km (36 mi) south-west of Zielona Góra.