Given that the geography of modern times was one of the most important factors affecting the relations between Iran and Iraq, in this article we have tried to examine the influence of Iraq's new political geography variable factors on the national security of the Islamic Republic of Iran. For this purpose, regardless of the security implications of Iraq's geopolitical constant factors, with placing three variable factors in the political geography means population, natural resources and socio-political institutions in the form of five security variables for Lee Norji. Martin, meaning the political legitimacy, civil rights and ethnic and minorities, military strength, the strength of economic management and natural resources, fifteen areas will be formed (in the annexes, these fifteen areas are in the table). The question that arises here is that what is the impact of Iraq's new political geography on the national security of Iran? The hypothesis that we are looking to review it is that changes in some areas of geopolitical of Iraq, after the United States invaded Iraq, made threats to the national security of Iran. The main objective of this paper is to study Iranian security changes in the first ten areas and to present solutions. Since the Iraq has not achieved stability yet, next five areas need further research and in this article do not occur.
