Today, this renaissance complex is used for e.g. Christmas markets and cultural events but originally it was a tournament arena.
Wikipedia https://it.wikipedia.org/wiki/Stallhof_(Dresda)
Official Website http://www.festung-dresden.de/de/dresdner_stallhof/
Address 3 Kanzleigäßchen, Dresden 01067, Germany
Coordinates 51°3'9.245" N 13°44'19.956" E