To be privately owned
CastleSt. Valentin-Hofkirchen
Seggau Castle

The Historic Building: A Journey Through Time+
From Medieval Origins to Baroque Splendor+
The Foundation and Early Years
The origins of the historic building, known today as "Schloss Wartenstein," date back to the 12th century.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://commons.wikimedia.org/wiki/File:2013.04.15_-_St._Valentin_-_Schl%C3%B6ssl_Seggau_-_04.jpg
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 48.1366, 14.5428