İstanbul is very important place in the world.The city is spread over an area of 7.500 km2 150 km long and 50 km wide.Istanbul became the biggest and the most crowded city of Europe.Because, ıts location between Asia and Europe, the city always had a great geopolitical importance.the city population is estimate 12 to 15 millions.

Around 2 millions tourists visit İstanbul every year.They are see the historical and natural beauties of the city. The city has a lots of historical mosque,church and museums of Turkey.