Everybody who visits istanbul has to see the historical peninsula:
Hypodrome; the heart of the cıty where the romans used to have charriet raises for centuries.
Blue mosque; the Imperıal mosque which was built in seventeenth century by sultan ahmet the first. It is famous for its blue tiles more than 20.000 and for its sıx mınarets.
Hagia sophia; the magnificient church of justinian and his wife theodora, standing for fourteen hundred years. It was the biggest cathedral in the world for centuries.
Topkapı Palace; the administartional palace and residence of great ottoman dynasty for four hundred years.
The halls have marvellous exibitions, the gardens are full of memories from great days in history.
Basilica cistern; the water reservoir of justinian from sixth century if tıme and your energy permits you will visit grand bazaar which is the oldest shopping mall in the country from 15th century at the end of the day