Full-Day Istanbul Ottoman and Byzantine Historical Sites Tour You will follow the traces of the Byzantine and Ottoman empires in Istanbul. Have the opportunity to visit all the historic sites of the Byzantine and Ottoman Empires. Blue Mosque, Hippodrome, Grand Bazaar, Topkapi Palace, and Little Hagia Sophia Mosque are the most popular historical places. You will visit these historic sites on the guided tour and information about their history. Entrance fee and Lunch Included.