Amasya Castle is a fortress, which is situated in northern region of Turkey in Amasya city. It is also known as Harsene Castle and is a great historical landmark associated with the military history of the region. 

This magnificently structured castle was constructed by the Pontus King Mitridates in Hellenistic Era. The castle has 4 special gates for entrance, which are known as Maydonos, Meydan, Helkis and Saray doors. 

The ruins of Mosques, baths just like hamams of the Ottoman Empire, warehouses, armories, cisterns, water tanks, dungeon and a secret passageway with 150 steps of stairs are most famous attractions in this castle.