To be privately owned
Kellerberg Castle

The predecessor building of the castle, which was destroyed by the great earthquake of 1348 and never rebuilt, was first mentioned in a document in 1251. It was not located on the site of the present castle, but further south in an elevated position. From 1272, the Ortenburgs were enfeoffed with the Lordship of Kellerberg and it served as their ministerial seat and namesake ("de Chelerperch"). Via the Counts of Cilli, who came into possession of the castle after the extinction of the Ortenburgs in 1418, the lordship passed to Emperor Frederick III in 1456. His son, Maximilian I, first granted Kellerberg as a fief to Sigmund von Dietrichstein in 1514. Soon, however, it passed into his full ownership (allod). In 1527, the castle was enfeoffed by Sigmund to Christoph Keller von Kellerberg, whose family remained the feudal tenants until their extinction at the end of the 18th century.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://commons.wikimedia.org/wiki/File:Schloss_Kellerberg_12122010_511.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: 46.6754, 13.7056