About the location (from Wiki):
Rumelihisari (Rumelian Castle) is a fortress located in the Sariyer district of Istanbul, Turkey, on a hill at the European side of the Bosporus. It gives the name of the quarter around it. It was built by the Ottoman Sultan Mehmed II between 1451 and 1452, before he conquered Constantinople. The three great towers were named after three of Mehmed II’s viziers, Sadrazam Çandarli Halil Pasha, who built the big tower next to the gate, Zaganos Pasha, who built the south tower, and Sarica Pasha, who built the north tower. In 1953, on the orders of President Celal Bayar, the inhabitants were relocated and extensive restoration work began on 16 May 1955, which lasted until 29 May 1958. Since 1960 Rumelihisari has been a museum and an open-air theater for various concerts at festivals during the summer months. The Fatih Sultan Mehmet Bridge which spans the Bosporus is located close to the fortress, to the north. Rumelihisari is open to public every day except Wednesdays from 9:00 to 16:30.

Movies shot at this location:
Guruvaram song from Dookudu