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Historic Castles & Forts

Explore the defensive architecture of the Cyclades, where Venetian rule and the threat of piracy shaped the landscape. This collection features Santorini's iconic Skaros Rock and the fortified village of Emporio, alongside the Frankish and Venetian strongholds of Paros and Naxos. These sites range from the partially submerged fort of Naousa to the well-preserved Kastro of Antiparos, offering insight into medieval military engineering and panoramic views across the Aegean Sea.

Κλέαρχος Π. Καπούτσης / Attribution

A

Skaros

Climb this rocky hill which used to be a fortress in the past and enjoy a panoramic view of Santorini and the Aegean Sea.

Μυρμηγκάκι / Attribution

B

Akrotiri Castle

Damaged in the 1956 earthquake, this castle used to be a powerful fort for the Gozzadini family until it fell to the Turks in 1617.

C

Frankish Castle

Built in the 1200s by the Venetian Duke Marco Sanudo, this Parikia landmark incorporates marble blocks and columns salvaged from ancient Greek temples, visible in its circular walls.

Klearchoskapoutsis / Attribution

D

Emporio

Discover picturesque medieval streets and buildings of this village lying at the foot of a mountain.

E

Tower of Sanoudos

A remaining part of the Ducal Palace within the Kastro of Naxos, this tower served as the seat of the Venetian Duchy of the Archipelago, established in the 13th century.

F

Fort of Naousa

Also known as the Kastelli, this 15th-century Venetian fortification sits at the entrance of Naousa’s harbor. Its circular watchtower remains partially submerged, originally built to protect the port from pirate raids.

G

Castle of Antiparos

A 15th-century fortified settlement built around a central courtyard. The houses themselves formed the defensive outer wall, with a central tower serving as the residence of the local governor.

Erika Sandri / CC-BY-SA

H

Pyrgos Venetian Castle

One of the five fortified "kastelia" of Santorini, this medieval stronghold sits at the highest point of Pyrgos village. It features narrow vaulted alleys and churches built directly into the defensive perimeter.