de Pélichy Castle

Belgium

de la Faille Castle

Belgium

Árpád Castle

Hungary

Älvsborg fortress

Sweden

Museum

Ängsö Castle

Sweden

Museum

Åkerö Manor

Sweden

Private residence

Åkeshov Castle

Sweden

Hotel

Ålevad

Denmark

Årsta Castle

Sweden

Museum

Çandır Castle

Turkey

Byzantine Empire

Écaussinnes-Lalaing Castle

Belgium

Éleskő Castle

Hungary

Ónod Castle

Hungary

Örbyhus Castle

Sweden

Museum

Örebro Castle

Sweden

Museum

Örenäs Castle

Sweden

Hotel

Örtofta Castle

Sweden

Private residence

Örup Castle

Sweden

Private residence

Östanå Castle

Sweden

Private residence

Öster-Malma Castle

Sweden

Private residence

Övedskloster Manor

Sweden

Private residence

Ørkild Castle

Denmark

Østerhaug

Norway

Ćmielów Castle

Poland

Čabraď Castle

Slovakia

Čachtice Castle

Slovakia

Čeklís Castle

Slovakia

Červený Kameň Castle

Slovakia

Červený Kláštor Mansion

Slovakia

Čičava Castle

Slovakia

Ēdole Castle

Latvia

Preserved

Ľubovňa Castle

Slovakia

Łagów Castle

Poland

Łańcut Castle

Poland

Łodygowice

Poland

Łąka Prudnicka Castle

Poland