Königsfelden Abbey is a former double Franciscan monastery located in the canton of Aargau in Switzerland, and was founded in 1308 by the Habsburgs (Habsburg), and the monastery church is distinguished by its stained-glass windows dating back to the late Middle Ages, which was very famous in Europe at that period, and the place is distinguished As an archaeological landmark, many cultures and peoples passed by, in addition to a group of kings and emperors as well.