The Topkapi Palace (Topkapi Sarayi) is a large palace in Istanbul, Turkey, that was the primary residence of the Ottoman Sultans for approximately 400 years (1465-1856) of their 624-year reign.
As well as a royal residence, the palace was a setting for state occasions and royal entertainments. It is now a major tourist attraction and contains important holy relics of the Muslim world, including Muhammed's cloak and sword. * Treasury and Harem sections in Topkapi Palace are not included in the program and are due to extra entry.