Istanbul, historically known as Constantinople and Byzantium, is the most populous city in Turkey and the country's economic, cultural, and historic center. Istanbul is a transcontinental city in Eurasia, straddling the Bosphorus strait between the Sea of Marmara and the Black Sea. Its commercial and historical center lies on the European side and about a third of its population lives on the Asian side. The city is the administrative center of the Istanbul Metropolitan Municipality both hosting a population of around 14.7 million residents. Istanbul is one of the world's most populous cities and ranks as the world's 7th-largest city proper and the largest European city.

The phenomenon, which can be observed all over the world today, is called Graffiti Art. It all started in Philadelphia, Pennsylvania on the turn of the late 60's with writers like Cornbread and Cool Earl. The movement took on very quickly in New York City and names and nicknames started to appear on buildings, post-boxes, phone boxes, underground tunnels, buses and finally on subway cars. Taki 183, whose name was to be seen all over NY, gave an interview to The New York Times in 1971. Taki’s real name was Demetrius, 183 is the number of the street where he lived. This young greek boy wrote his name almost everywhere during his work hours as a messenger. Other well known writers from that period were: Joe 136, Barbara and Eva 62, Eel 159, Yank 135, Julio 204, Frank 207…