Duchy of Nysa
Jánský Vrch () is a castle located in the Jeseník District in the Olomouc Region of the Czech Republic. The castle stands on a hill above the town of Javorník in the north-western edge of Czech Silesia, in area what was a part of the Duchy of Nysa. For most of its history the castle belonged to the Prince-bishops of Breslau (Wrocław) in Silesia.