Wikipedia
Werfen
Werfen is a market town in the St. Johann im Pongau District, in the Austrian state of Salzburg. The municipality comprises the cadstral communities (Katastralgemeinden) of Reitsam, Scharten, Sulzau and Wimm. It is mainly known for medieval Hohenwerfen Castle and the Eisriesenwelt ice cave, the largest in the world.