An introduction to the religious beliefs of the people of Nahavand during the Caliphate of Bani Abbas (132 656 AH)

gPerhaps the most important cultural change in the Bani Abbas era in the Jabal region, especially in the Nahavand region, is the many changes in beliefs, religious beliefs and the spread of new sects and religions. Clues and evidences show that this region has had a variety of opinions and religious beliefs due to its special geographical location and being on the ancient trade routes and adjacent to the land of Mianrodan and influenced by the special cultural situation of that region. Despite this, some authors of historical books and Islamic sects have firmly commented on the religion of the people of Nahavand and have considered them among the believers of deviant, extreme and extravagant religions.With a descriptive-analytical approach, this article aims to describe the process of the formation and emergence of Khurmadiniyyah, Ismailiyyah and Shia religious sects between 132 and 656 AH in Nahavand region, and how the extreme ideas of similitude and embodiment penetrated among some of examine the followers of Shiism.