Ashpaz Khaneh Zahhak Castle

Iran

Asigarh Fort

India

Asil Castle

Iran

Asini Castle

Greece

Ancient period

Asirgarh Fort

India

Ask estate

Norway

Askeran fortress

Azerbaijan

Askipara Monastery Castle

Azerbaijan

Asnoti

India

Asola

Italy

Aspelt Castle

Luxembourg

Aspremont-Lynden Castle

Belgium

Asserbo Castle

Denmark

Assos Castle

Greece

Venetian period

Astene Castle

Belgium

Astrakhan Kremlin

Russia

Astypalaia Castle

Greece

Frankish/Venetian period

Atalaya Castle

the United States

Atanas

Serbia

Remains

Atashgah Castle

Iran

Ater Fort

India

Athlone Castle

Ireland

Attimis

Italy

Attock Fort

Pakistan

Attre Castle

Belgium

Attur Fort

India

Audley's Castle

Ireland

Audunborg

Norway

Ruin

Augher Castle

Ireland

Augustenborg Palace

Denmark

Aurangzeb

India

Austad Manor

Norway

Austrått

Norway

Avandha Fort

India

Avchitgad

India

Aveschoot Castle

Belgium