Istanbul's historic, cultural and in terms of size is the most important city in Turkey. We can even call it one of the most important cities in Europe. This is one of the greatest cities in the world where you can see a modern western city combined with a traditional eastern city, it's a melting pot of many civilizations and different people. Population is approaching 20 million.
Istanbul was also announced by the European Union as the 2010 European Capital of Culture.From the foundation of Byzantium in the 7th century BC until today, Istanbul held always an important role in the history of humanity in this part of the world. Everybody wanted to gain control of this area because of its strategic location; Empires were born here on the ashes of previous ones.Since the Republic in 1923, Istanbul continued to grow and today it boosted its population over 14 million people living in this spread out city. This makes Istanbul the largest city of Turkey and one of the biggest cities in the world.
Maiden's Tower (Kız Kulesi) is one of the symbols of the city. After the naval victory at Cyzicus, the ancient Athenian general Alcibiades possibly built a custom station for ships coming from the Black Sea on a small rock in front of Chrysopolis (today's Üsküdar). In 1110 Byzantine Emperor Alexius Comnenus built a wooden tower protected by a stone wall.
Hagia Sophia was a Greek Orthodox Christian patriarchal basilica (church), later an imperial mosque, and is now a museum (Ayasofya Müzesi) in Istanbul, Turkey.
Hagia Sophia is important symbols of the city.