Golkoy castle is located on the Gölköy, district of Ordu. According to the different historians, it is said that the marvellous castle was built by Persian King Dara B.C 3th and 4th century. The castle was established on a quite big and large natural rocky together with the city walls. There is found a cylinder shaped bastion in the entry of the fortress with single door. Also, Gölköy Castle, which has a very important tourism potential, dominates too large area including Persembe and Piraziz beach towns. It is the highest castle in Ordu hence, with this way this amazing castle is highly popular for not only domestic but also foreign people. During the history lying today from past, the castle was used as a different aims or purposes. Actually, it is generally used by the various civilizations as a defence in order to be protected against any attack from enemy who decided to conquest the city. Additionally, in those times the fortress, which was only unoccupied or virgin place, was surrounded by traps which inhibited the invasion of the hostile. This splendid natural formation, Gölköy Fortress was used as the same way in Ottoman Period; it was heroically protected by the soldiers of great commander Tayfun Pasha. Therefore, even it is called as Gölköy (Lake Village in English) thanks to containing many lakes around it, the castle is also well known as Tayfun Pasha Castle. After, 18th century, it lost its importance