Burg Hollenburg is a medieval castle near Köttmannsdorf in Carinthia, Austria. It is on a rock of the northern slope of the Drava valley. Burg Hollenburg is 561 metres above sea level.
Burg Hollenburg is a medieval castle near Köttmannsdorf in Carinthia, Austria. It is on a rock of the northern slope of the Drava valley. Burg Hollenburg is 561 metres above sea level.