The name Yedi Kule is Turkish for 'Seven Towers,' despite the fortress actually containing ten towers.
During its time as a prison, the site became a symbol of political suppression in Greece, immortalized in many 'rebetiko' songs.
Parts of the fortress wall were integrated into the broader defensive fortifications built by Emperor Theodosius I in the 4th century.
The site was converted from an Ottoman military barracks into a state prison in the 1890s.
Archaeological excavations inside the complex have uncovered remains dating back to the early Christian period.
The Thessaloniki Acropolis, commonly known as Eptapyrgio or Yedi Kule, is a Byzantine and Ottoman-era fortress situated on the highest point of the city. The structure consists of a polygonal enclosure featuring ten towers and was significantly renovated during the Ottoman period to serve as a fortress and prison. The site functioned as the primary prison of Thessaloniki from the late 19th century until 1989. The architecture reflects multiple layers of history, incorporating Roman, Byzantine, and Ottoman construction techniques. Visitors can access the outer walls and various courtyards which provide expansive views over the city and the Thermaic Gulf. It serves as a historic monument representing the defensive evolution of the region over several centuries.
The western ramparts at sunset, framing the view of the city skyline and the sea.
Wear sturdy, closed-toe walking shoes as the ground consists of uneven stone, gravel, and historic masonry.
Bring a flashlight if planning to explore the more shadowed, unlit sections of the inner courtyards.
Carry water, as amenities are sparse within the fortress walls.
Do not attempt to hike up from the city center during the peak heat of midday in the summer months.
The site is occasionally closed on public holidays; interior access to certain restricted sectors may vary due to ongoing archaeological maintenance.
Respect the site as a former prison and memorial; refrain from climbing on unstable structural ruins.