Heiligenkreuz Abbey
Heiligenkreuz, Austria · built 1101
Heiligenkreuz Abbey (Stift Heiligenkreuz, lit. '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.
Monastery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).