Breakfast at the hotel. Free day. Optional – (not incluiding) Enjoy some leisure time to explore the city with the option of taking a full-day optional excursion, the Jewels of Constantinople, including lunch: Visit the ancient Hippodrome dating back to the Byzantine era, which served as the center of civil activity in the country. It hosted not only horse races and gladiator fights but also celebrations in honor of the Emperor. Today, it still holds the Obelisk of Theodosius, the Serpentine Column, and the Fountain of Emperor Wilhelm. Then, visit the Blue Mosque, constructed in 1609 during the reign of Sultan Ahmet, who, aiming to surpass the Hagia Sophia, built it with six minarets. Next, proceed to the Topkapi Palace, the residence of the sultans until the 19th century, where most of the valuable objects of the Ottoman sultans are kept. the finest example of Byzantine art and one of humanity's greatest achievements. Afterwards, transfer to visit the Grand Bazaar. Built in 1660, this covered bazaar can be considered a small city covered by hundreds of domes, with four thousand shops inside, along with alleyways, squares, and 18 entrance gates. End of visit at the Grand Bazaar.