"Heiligenkreuz Abbey (German: Stift Heiligenkreuz; English: Abbey of the Holy Cross) is a Cistercian monastery in the village of Heiligenkreuz in the southern part of the Vienna woods, c. 13 km north-west of Baden in Lower Austria. It is the oldest continuously occupied Cistercian monastery in the world." - (en.wikipedia.org 07.11.2023)
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