Celle Castle
Celle, Germany · built 1292
Celle Castle (Schloss Celle) or, less commonly, Celle Palace, in the German town of Celle in Lower Saxony, was one of the residences of the House of Brunswick-Lüneburg. This quadrangular building is the largest castle in the southern Lüneburg Heath region.
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).