The date of construction of the tower of Galata exact details remained, however, argues that it was built in 507 ad, during the reign of Emperor Justinian. As the historians say, in the V century BC in the neighbourhood stood a tower. However, the tower that reached our time, is dated 1348 - 1349, At the time these lands were ruled by the Genoese. The Genoese took the Byzantine areas and then built a tower for defensive purposes and called it the "Tower of Jesus," and under this name she has become one of the most important components of the system of fortifications of the fourteenth century, which was surrounded by Galata. The Byzantines called it the great Tower. In defenses of the Genoese fortress in addition to the towers and walls are still included and moats, what still say the names of the old streets near the tower: Buyuk Hendek, which means a Large ditch, and the Kucuk Hendek – Small moat.

The tower stands on a hillside, on the so-called top of Galata, located in the European part of the city. The tower was built in such a place that it is perfectly visible from almost all points of the city. From the top of its magnificent panorama, which attracts tourists and visitors to the city.

The earthquake, which occurred in 1509, the tower was severely damaged and was later restored and added under the guidance of renowned Turkish Ottoman architect Hayreddin. The height of the tower of Galata is today 66, 90 m, its internal and external diameter – 16, 45 m and 8, 95 m, respectively. Wall thickness is 3, 75 m, and the altitude is 140 m.

In the 16th century in the tower were kept prisoners of war. Prisoners are then usually sent to the galleys as slaves for the Ottoman Arsenal, which was located in the Golden horn Bay in Kasimpasa.

During the reign of Suleiman I can add description