Neuburg Castle is a ruined castle in Untervaz in the Canton of Graubünden in Switzerland. It is a Swiss heritage site of national significance.
Wikipedia https://en.wikipedia.org/wiki/Neuburg_Castle_(Switzerland)
Official Website http://www.burgenverein-untervaz.ch/
Address (Unnamed Road), 7204, Switzerland
Coordinates 46°54'46.506" N 9°32'40.291" E