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.
== See also == List of castles in Switzerland
References
2. Zitiervorschlag Lorenz Hollenstein: "Werdenberg", in: Historisches Lexikon der Schweiz (HLS), Version vom 03.10.2013. Online: https://hls-dhs-dss.ch/de/articles/007646/2013-10-03/, konsultiert am 12.04.2023.