Tour of "Sultan Ahmet Center", the heart of the "Old City" from where the Byzantine and Ottoman Empires were ruled.The Hagia Sophia Grand Mosque (Ayasofya-i Kebir Cami-i Şerifi), once the Church of Divine Wisdom, with its innovative architecture, rich history, religious significance, and extraordinary characteristics has been fighting against time for centuries, was the largest Eastern Roman Church in İstanbul. Constructed three times in the same location,Blue Mosque, facing Hagia Sophia, famous with its blue İznik tiles and unique with 6 minarets, built in the name of Sultan Ahmet. (Visit is not possible on Friday because of crowded noon prayer)Hippodrome, center of sportive events (chariot races, athletics) and political activities of the old city. Serpentine Column, Obelisk of Theodosius and German Fountain of Wilhelm II are the monuments decorating the Hippodrome.Grand Covered Bazaar, most attractive shopping center and the biggest "souk" in the world with nearly 4000 shops selling antiques, jewelry, gold, carpets, leatherware and souvenirs.Lunch at Local Turkish restaurant.Then Visit Topkapi Palace, Sultan Tombs. End of the tour drop you off at your hotel.