Yağıbasan Madrasah
Yağıbasan Madrasah (Yağıbasan Medresesi) are two madrasahs located in Tokat and Niksar. Yağıbasan Madrasah in Tokat is also known as Çukur Madrasah (Çukur Medrese). The madrasah, built in 1151 and 1152, is important in that it is one of the first examples of Anatolian madrasas with closed courtyards.