It is situated on the European side of the Bosphorus, in the Sarıyer district, directly across from Anadolu Hisarı on the Asian side.

It was constructed to control naval traffic through the Bosphorus and cut off aid to Constantinople from the Black Sea.

Yes, the fortress is open to the public as a museum. Visitors can explore its towers, walls, and panoramic viewpoints.

Rumeli Hisarı is typically open Tuesday to Sunday from 09:00 to 18:00. It’s closed on Mondays and national holidays.

Yes, there is a small entrance fee, and discounts are available for students and Turkish citizens. Entry is free with the Museum Pass Turkey.