Undoubtedly, the geopolitical, political, historical and cultural situation of the Islamic Republic of Iran with today's Kurdistan of Iraq in terms of economic, political, cultural relations. . . It is intertwined in the bed of history; In such a way that the fusion between these fields can be observed in the new era. One of the highly influential and important regions in the new Iraq is the autonomous region of Kurdistan, which, in the light of geopolitical realities, has made it necessary to examine the opportunities and challenges facing the Islamic Republic of Iran. The present study states the geopolitical, political, historical and cultural relations between the Islamic Republic of Iran and the Kurdistan of Iraq today. opportunities and challenges for c. A. Iran will set the stage. The current research is a qualitative method with a descriptive and analytical approach. The results of the research confirm the fact that the geopolitical, political, historical and cultural relations of the Islamic Republic of Iran with today's Iraqi Kurdistan can be effective in the direction of removing security threats and securing the interests of both sides.