Haruniyeh is an unknown and mysterious monuments and the only monument remaining from the ancient Tus City which located in Iran. Harunieh is a brick and square monument. The interior space includes the porch entrance, four daises, dome and three minor rooms and all these parts are seen in public.There are different ideas about the date of Haruniyeh construction. Some recognize it a monastery and teaching place of Imam Mohammad Ghazali that was built before the attack of Mongols.