This assemblage comprises the complex of Sheikh Bayazid Bastami, the Chief Mosque, the towered dome of Kashaneh and a part of old wall of the city. The complex of Sheikh Bayazid Bastami comprises the grave of Sheikh Bayazid Bastami, one of the five elevated Sufis of the world. For the same reason, from 19th century onward, several important properties have been constructed around it. The oldest property of the complex dates back to 8th and 9th centuries AD.