Turkey, A beautiful explored destination for travellers. Istanbul is the Turkeys most popular attractive city. Istanbul is also an cultural and financial centre of Turkey. Turkey is located on both sides of the Bosphorus, the narrow straigh between the Black sea and Marmara sea. Population in Istanbul estimated 12 and 19 million peoples. This is the largest city in Europe. Istanbul consists of many city, Sultanhmet- Old City. There is many historical sites located in Istanbul.