Vorau Abbey is an abbey of the Austrian Congregation of Canons Regular located in Vorau, Styria, Austria. Founded in 1163, it contains an ornate Viennese High Baroque collegiate church and library that date to the 18th century.
Wikipedia https://en.wikipedia.org/wiki/Vorau_Abbey
Coordinates 47°24'2.937" N 15°53'24.352" E