Heptapyrgion Fortress, Thessaloniki

The Heptapyrgion Fortress is an imposing ancient structure with a long history. The fortress is also known as Yedi Kule. While the name translates to "Fortress of Seven Towers," the fortress actually features ten towers that were built at different times.

The Heptapyrgion's northern towers were either built during the fourth century with Thessaloniki's original walls or during the ninth century. The southern towers were probably built during the 12th century.

The Ottomans conquered Thessaloniki in the 15th century and rebuilt the fortress. Under Ottoman rule, the fort served as the city's military governor's residence.

During the later 19th century, the fortress was converted into a prison. The prison held political prisoners during World War II. In 1989, the prison facilities were relocated.

The Ministry of Culture took over the Heptapyrgion Fortress and began restoration work. Visitors are welcome to explore the eerie fortress and enjoy the fabulous views.