To be privately owned
CastleBonn - Auerberg
Graurheindorf Castle

Graurheindorf Castle is located in the Bonn district of Graurheindorf. Its history stretches from a manor house to the present-day structure, which is surrounded by an extensive park.
History+
The origins of Graurheindorf Castle lie in a manor house that already existed on this site in 1131. Around the year 1478, this manor was expanded into a castle. The current manor house was built in 1755. It was commissioned by Maria Debèche according to the designs of architect Michael Leveilly.
Location+
Graurheindorf Castle is located in the Auerberg district of the city of Bonn, in North Rhine-Westphalia, Germany. It stands at an elevation of approximately 52 meters above sea level.
Image: http://www.wehrbauten.de/thread.php?threadid=842
Location: 50.7608, 7.0774