The present tower replaced an old Byzantine fortification, known to have been mentioned around the 12th century, that the Ottoman Empire reconstructed to fortify the city’s fortress some time after Sultan Murad II captured Thessaloniki in 1430. During the period of Ottoman rule, White tower became a notorious prison and scene of mass executions.

In 1912, as Greece gained control over the city, and the White Tower was substantially remodeled and its exterior was whitewashed. White Tower has been adopted as the symbol of the city.

White Tower Museum
The White Tower houses an exhibition dedicated to the city of Thessaloniki and its history throughout various periods, organized by the city’s Museum of Byzantine Culture. It is under the administration of the Ephorate of Byzantine Antiquities of the Greek Ministry of Culture.

The Tower is open to the public, and visitors have the opportunity to view a map of the city with monuments and museums, a timeline with events relevant to Thessaloniki, scientific articles of distinguished historians and archaeologists, bibliography etc. School excursions may be arranged by contacting the Byzantine Museum.