was the administrative center of the Ottoman Empire
since after the conquest of Constantinople
in 1453. The palace is located on the edge of the old city of Istanbul
, having a view of both the Bosphorus
and the Sea of Marmara
The palace was started to be built during the reign of Sultan Mehmed II, who conquered the city and additions were made until the 19th century, when the Sultans decided to move to the Yildiz Palace.
Today it serves as an imperial museum.