Warken (Luxembourgish: Waarken) is a town in the commune of Ettelbruck, in central Luxembourg. As of 2007, the town has a population of 1,670 and lies near the Wark River. Warken is a part of Ettelbruck and is split in five departments: Cité Bourschterbach, Cité Warkdall, Cité Breechen.