Ritterhaus Bubikon
Bubikon, Switzerland · built 1101
Bubikon Castle or Bubikon Commandery (Ritterhaus Bubikon) is a castle in the municipality of Bubikon of the Swiss Canton of Zürich. The former Commandery, a medieval monastery of the Knights Hospitaller, is a Swiss heritage site of national significance.
Monastery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).