After breakfast, we will start our full day of the city with the Hagia Sophia. Originally built by Emperor Constantine in the 4th century, and converted into a mosque by the Ottomans in the 15th century. The Blue Mosque, another of the world's most important religious buildings, unique for its 6 minarets and it's celestial interior decorated with the famous blue Iznik tiles. The Hippodrome, scene of chariot races. The Topkapi Palace, the residence of Ottoman Sultan's from the 15th to the 19th century. With its impressive treasury, exquisite harem, attractive courtyards, and pavilions housing huge collections of antiquities, last stop at The Grand Bazaar. Transfer to hotel and overnight in Istanbul.