Istanbul Anadolu Hisarı
The castle covering seven acre area and giving its name to the location was built by Sultan Beyazid I (Yildirim) as the front military station of Ottoman in 1395. The building was added "Hisarpence", storehouse and some residental buildings by Mehmed II. In 1928 some repair works were made by kandilli Municipality. Some repairs were made by Ministry of Culture in 1991-1993. Today Anadolu Hisari is within borders of Beykoz Municipality. There is no movable cultural assets in the castle. It has not been opened for visits.