Explore castles worldwide

Abrantes Castle

Abrantes, Portugal

Abrantes Castle, a 12th-century medieval fortress in Portugal, evolved into a Vauban-style stronghold during the 17th century.

Partially Restored

Abu Mahir Fort

Block 216, Bahrain

Abu Mahir Fort, built in 1840 on Muharraq island, Bahrain, features historic fortifications and coastal defense structures.

Modern (19th–20th c.)

Ruins

Abu Qubays

, Syrian Arab Republic

Abu Qubays is a medieval castle ruin in northwestern Syria's Hama Governorate, located in the al-Ghab plain near the Orontes River.

Abuli Fortress

Gamdzani, Georgia

Abuli fortress is a Bronze Age megalithic ring fortress on Lesser Abuli mountain, notable for its towers and living quarters.

Rue Château d′Abée 1-3, Belgium

Abée Castle

Abée Castle near Liège features a medieval keep and 19th-century farm buildings, privately owned and not open to visitors.

Renaissance (15th–17th c.)

Well Preserved

Acaya Castle

Acaya, Italy

Acaya Castle is a well-preserved Renaissance star fort with rich history and Byzantine art in Apulia, Italy.

Argyll and Bute, United Kingdom of Great Britain and Northern Ireland

Ruins

Achallader Castle Ruins

Achallader Castle is a 16th-century ruined tower house in Argyll and Bute, linked to clan conflicts and Highland history.

Renaissance (15th–17th c.)

Ruins

Achalm Castle Ruins

Achalm, Germany

Achalm Castle ruins crown a hill near Reutlingen, Germany, featuring medieval origins and a 19th-century lookout tower.

Early Medieval (5th–10th c.)

Achasanseong

, Korea (Republic of)

Achasanseong is a Three Kingdoms-era earthen bastioned fortress in Seoul, built by Baekje and key in regional defense.

Achipse Fortress

, Russian Federation

Achipse fortress is a bastioned fortress in Russia, notable for its strategic design and historical military significance.

Achnacarry, United Kingdom of Great Britain and Northern Ireland

Restored

Achnacarry Castle

Achnacarry Castle, built in 1655, is the historic seat of Clan Cameron and WWII Commando training site in the Scottish Highlands.

Renaissance (15th–17th c.)

Restored

Aci Castle

Aci Castello, Italy

Aci Castle is a Norman fortress on a basalt promontory in Sicily, rich in medieval history and now a museum.