Riva Castle (), is a

Byzantine The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...

coastal fortification situated on a hill where Riva Creek meets the

Black Sea The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...

in Riva, Beykoz,

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

. In

Greek mythology Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of ancient Greek folklore, today absorbed alongside Roman mythology into the broader designation of classical mythology. These stories conc ...

, the leader of the Argo sailors, Iason, searching for the Golden Fleece received the iron anchor, hence the village was referred to as ''Ancyranum'' during the reign of the

Eastern Roman Empire The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...

.RIVA KALESI
/ref>Riva Plajı
(in Turkish). Retrieved 25 June 2024. The Ottoman Sultan

Bayezid I Bayezid I (; ), also known as Bayezid the Thunderbolt (; ; – 8 March 1403), was the sultan of the Ottoman Empire from 1389 to 1402. He adopted the title of ''Sultan-i Rûm'', ''Rûm'' being the Arabic name for the Eastern Roman Empire. In 139 ...

referred to the importance of occupying it after taking over its neighboring castles, Yoros and

Şile Şile is a municipality and Districts of Turkey, district of Istanbul Province, Istanbul Province, Turkey. Its area is 800 km2, and its population is 43,464 (2022). Bordering Şile is the province of Kocaeli Province, Kocaeli (districts of G ...

in 1391 AD (793 AH).Riva Kalesi
/ref> It was first recorded in the archives as ''Revan Kalesi'' in 1778-1779 AD (1192 AH).

References

{{coord, 41.2240, 29.2173, type:landmark_region:TR, display=title Ottoman fortifications Buildings and structures in Istanbul Tourist attractions in Istanbul Byzantine fortifications in Turkey Ruined castles in Turkey Castles in Istanbul Province