Rumeli Hisarı
Rumeli Fortress sits at the narrowest throat of the Bosphorus, a point where the strait narrows to 660 meters, and where a vanished world echoes under your feet. The fortress you see today rose from ambition and haste in the immediate run-up to the fall of Constantinople, but its most dramatic story is about what once stood here and what the later layers replaced. In 1451, as the Ottoman state prepared to seize the Byzantine capital, Sultan Mehmed II ordered a bold architectural answer to a simple strategic truth: control the waterway, and you control the fate of a city.
Construction began on April 15, 1452, and the site was chosen for its direct opposite, the Anadoluhisarı on the Asian shore, the two fortresses designed to squeeze the Bosphorus from both banks. The plan was explicit: blockade maritime relief and cut off Genoese maritime support from the Black Sea, denying Constantinople any aid by sea. The gates and towers were named to honor the men who built them and who governed the enterprise.
The northern tower, now known as Fatih Tower, is the Sarıca Pasha Tower, built to the design supervising architect’s circle; its cylindrical form rises to nine stories and 28 meters in height, with walls 7 meters thick.



