Topkapi Palace is an extraordinary and secret palace. It is the largest palace in Istanbul and also it was primary residence of the Ottoman sultans for approximately 400 years.
The building is a typical example of Ottoman architecture and the rooms contain rich collections of porcelains, robes, weapons, shields, armors, Islamic calligraphic manuscripts and Ottoman treasures.
Sultan Tombs, Tucked around the back of Hagia Sophia. There are five tombs of Ottoman sultans; Sultan Selim II, Sultan Murad III, Sultan Mehmed III, Sultan Mustafa I, Sultan Ibrahim I.