
1) Square in Vienna
Found on
https://www.crosswordclues.com/clue/ballhausplatz

Ballhausplatz is a square in central Vienna containing the building (with the address Ballhausplatz 2) that for over two hundred years has been the official residence of the most senior Austrian Cabinet Minister, the State Chancellor, today the Chancellor of Austria (Prime Minister). As a result, Ballhausplatz is often used as shorthand for the Au...
Found on
http://en.wikipedia.org/wiki/Ballhausplatz
No exact match found.