Constantinople was the biggest metropolitan cities of the ancient period. There were various nations in Constantinople such as Genoese traders. They had autonomous zone in the city. They were residing and trading in this zone. It was surrounded by a wall.
After the conquest of the city by Ottoman Empire, Genoese zone lost its autonomy and united to Istanbul. By the time, the Genoese walls collapsed and vanished. Only a tower remained from this wall. Galata tower was one of the towers in Genoese wall.
Only Galata tower represents this past today.
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