Denmark Koldinghus Castle Kronborg Castle Rosenborg Castle Sønderborg Castle Vordingborg Castle Nyborg Castle Sønderskov Manor Estonia Narva Castle Haapsalu Castle Kuressaare Castle-Fortress Vastseliina Castle Finland Häme Castle Lappeenranta Fortress Louhisaari Manor Olavinlinna Castle Raseborg Castle Suomenlinna Sea Fortress Svartholm Sea Fortress Turku Castle Germany Eutin Castle Gottorf Castle Latvia Araisi Archaeological Park Bauska Castle Cēsis Castle Durbe Manor Rundāle Palace Turaida Castle Ventspils Castle Lithuania Biržai Castle Gediminas Castle Tower Medininkai Castle Palace of the Grand Dukes of Lithuania Panemunė Castle The Trakai Island and Peninsular Castles Poland Kwidzyn Castle Malbork Castle The Pomeranian Dukes’ Castle Olsztyn Castle Lidzbark Castle Elbląg Teutonic Castle Russia Oreshek Fortress Peter and Paul Fortress Vyborg Castle Sweden Kalmar Castle Malmöhus Castle Skokloster Castle
