Lubiąż Abbey (German: Kloster Leubus; Polish: Opactwo cystersów w Lubiążu) is a former Cistercian monastery in Lubiąż, in the Lower Silesian Voivodeship of southwestern Poland, located about 54 km (34 mi) northwest of Wrocław.The monastery is considered to be one of the largest of its kind, and its 223 m long main facade is longer than that of El Escorial (207 m).