After breakfast proceed to full day city tour. Visit Hagia Sophia, the Church of Divine Wisdom, one of the greatest marvels of architecture, constructed as a basilica in the 6th century by Emperor Justinian. Blue Mosque (the mosque visited from outside on Friday mornings because of noon prayer) facing Hagia Sophia, famous with its blue Iznik tiles and unique with 6 minarets, built in the name of Sultan Ahmet. 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. Then visit Grand Covered Bazaar, most attractive shopping center and the biggest “souk” in the world with nearly 4000 shops selling antiques, jewellery, gold, carpets, leatherware and souvenir. Later depart for Bosphorous Cruise the strait between Black Sea and Marmara Sea which separates Istanbul into two continents. Visit Egyptian Spice Market to see the atmosphere of an Ottoman shopping centre which still have several shops for spices. Overnight in Istanbul.