Topkapi Palace Gate Istanbul
The Topkapı Palace ( or in Ottoman Turkish: ) 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 the Prophet Muhammed's cloak and sword. The Topkapı Palace is among the monuments contained within the "Historic Areas of Istanbul", which became a UNESCO World Heritage Site in 1985, and is described in Criterion iv as "the best example[s] of ensembles of palaces [...] of the Ottoman period."