The White Tower of Thessaloniki is a few minutes walk from Thessaloniki train station which has daily services from Athens and a number of other cities. Overnight trains also run from Istanbul, Turkey. Thessaloniki has an international airport and the flight is just under an hour from Athens. The White Tower is by the coast at Thessaloniki. 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 lheure-vin.com 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. Thessaloniki’s symbol, the White Tower is a 15th century fortification which was part of the city’s defenses.. The White Tower is the point where the seaward defense and the eastern wall met.. For years it served as a prison for condemned prisoners awaiting execution. In early s it was reconstructed and since is operating as a museum.