Area: 5 342 km2
Population: 14,03 milions
In Istambul are many sights.
Hagia Sophia
It was build in years 532-537. It was a temple, but now it is a museum. It is most important sight of Byzant architektur.It is the most visited sight in Turkey.
Sultan Ahmed Mosque
It was build in year 1617. The only mosque
in the world has 6 minarets.
Yerebatan tank
It can contain 80 000 000 liters water. It was build in our era in 3-4th century. The ticket cost
about 7 euros.
Based on Jim Harvey's speech structures
http://eventsbirthdays.altervista.org/wp-content/uploads/2014/05/Hagia-Sophia-2008.jpga
https://www.google.cz/search?q=mešita+sultána+ahmeda&biw=1680&bih=916&source=lnms&tbm=isch&sa=X&sqi=2&ved=0ahUKEwjW6YyK9uDMAhVJ0xoKHayqCloQ_AUIBigB#imgrc=BIZDnAHBfGE7uM%3Aa
https://cs.wikipedia.org/wiki/Tureckoa