Hohenzollern Castle
With over 350,000 visitors per year Hohenzollern castle is one of the most visited castles in Germany. The castle is privately owned by the House of Hohenzollern, with two-thirds belonging to the Brandenburg-Prussian branch, and the balance to the Swabian branch. Since 1952, the Princess Kira of Prussia Foundation has used the castle for an annual summer camp for children. Whenever Prince George and his family are staying at the castle, the Prussian flag flies over the castle.
Heeze Castle
Heeze Castle () is situated in the Netherlands, south of Eindhoven. It used to be the centre of the seigneury of Heeze, Leende and Zesgehuchten, part of the Duchy of Brabant. In the Middle Ages, it was owned by the de Horne family. In the seventeenth Century Pieter Post designed a new castle, of which the first part was built in 1665. Pieter Post had died and the work was completed by his son Maurits Post.