Hatuniye is a historical külliye, an Islamic religious complex, located in the city center of Tokat, Turkey.[1] Its 1485 construction was ordered by Ottoman Sultan Bayezid II in honour of his mother, Gülbahar Hatun. Its facilities include a mosque, an imaret, and a medrese. At present, the mosque is used for prayer and other religious services, while the rest of the complex is open to visits by tourists and the public in general.