Łuków [ˈwukuf] 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 9 kilometres (6 mi) south-east of Trzebiel, 20 km (12 mi) west of Żary, and 61 km (38 mi) south-west of Zielona Góra.