Werdenberg Castle is a castle in the municipality of Grabs of the Canton of St. Gallen in Switzerland. It is a Swiss heritage site of national significance.
It was the original seat of the County of Werdenberg in the Holy Roman Empire.
Wikipedia https://en.wikipedia.org/wiki/Werdenberg_Castle
Official Website http://www.schloss-werdenberg.ch/
Coordinates 47°10'6.612" N 9°27'41.962" E
