The Arms of a Historical Abbey in Austria

Near the little town of Furth bei Göttweig, Austria, is Göttweig Abbey (in German, Stift Göttweig). The Abbey is a Benedictine monastery in Lower Austria, founded in 1083 by Altmann, Bishop of Passau. In the Middle Ages the abbey was a seat of learning with a library and a monastic school. You can find out a lot more about its interesting, though somewhat checkered, history and huge library (among other things) on-line at https://en.wikipedia.org/wiki/Göttweig_Abbey

Unsurprisingly, especially given its long history, the Abbey has its own coat of arms, to be found in various places in and on the Abbey. Here is one example in the pediment over a gate leading into the building complex:

And here is another over a doorway inside:

A blazon would be: Gules a cross patty fitched at the foot argent issuant from a trimount issuant from base vert. (Or something very similar.)

If you compare the arms in the two photographs here, you will note some artistic differences between the cross on each one. The one over the gate is more a "classic" cross paty/formy, while the one over the inner doorway is more a Latin cross with the upper arms flared just at the ends.

That the Abbey is important to the town can be demonstrated by the fact that the arms of the Abbey are incorporated as a part of the town's arms, granted in 1984 (image from the website Heraldry of the World):

All in all, it's a very simple coat of arms that refers to the Abbey's long history as a Christian institution and to its physical location in the hills overlooking both the town and nearby Danube River.