حسن الهیاری

Based on different approaches in policy and religion in Iran history Safavid era has a significant role. Foundation of Safavid on the basis of shittee religion with reliance on siadat changed Iran to shitte concentration especially Sadat. Siadat as an interface between Safavid dynasty and other branches created a range of interaction to interference. One of the outstanding results of this new environment in the history of Iran was the considerable migration of Sadat to Iran. Meanwhile, we had witnessed the migration and effective role of two of Sadat branches from Iraq to Iran. Kamoneh Sadat and jazayeri Sadat. This article tries to survey immigration and absorption process of these two branches and its causes and outcomes and analysis their role and impact in the texture of Iran government and society in Safavid era. The present study has been done with librarian method by the use of the first sources and historical analyses.It will be shown in this study that kamoneh Sadat had an important role in forming and establishment of Safavid. Thereafter jazayeri Sadat has played an effective role, in the second half of Safavid era, on Safavid government structure and its social and scientific environment.