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The country of Iran, with its geopolitical foundations, which is influenced by its geography, has always been the focus of the countries of the world, especially the world powers, throughout history. The use of this capacity and conditions for the economic prosperity of the country depended on the ability of the statesmen and the type and structure of the government systems in formulating foreign policy, and how effective they were in changing the social environment and the way of economic livelihood of the people. In a fundamental and theoretical way, this thesis has analyzed the formulation and presentation of the national strategy of the Islamic Republic of Iran based on its geopolitical characteristics.
The results of this research show that the spirit that governs it according to the structure it entails (statehood), is economic regardless of geographical and geopolitical infrastructure, and this field of foreign policy has not only failed to achieve success, but is also passive. And it has become introspective and stopped from being effective and dynamic. While looking at Iran's geopolitical and geographical foundations, we find that its geopolitical position does not have a global effect and is not below the regional level.

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The South Caucasus is a semi-mountainous region located between the Caspian and Black Seas which has always enjoyed a geopolitical and geostrategic position throughout history. The conflicts between the Republic of Azerbaijan and Armenia in the South Caucasus, which led to remove the seizure of the disputed territory of Karabakh by the Republic of Azerbaijan, have made it difficult to reach a lasting peace in the South Caucasus due to some fundamental differences such as how to access Nakhchivan region. The Republic of Azerbaijan wants unhindered extraterritorial access, which Armenia and Iran strongly oppose due to the severance of land communication between the two countries and the creation of a geopolitical bottleneck. Given the importance of the South Caucasus and the impressionability of Iranian policies from any geopolitical changes and developments in the region, the present study, using a descriptive-analytical method, seeks to answer the question: "What strategies has the Iranian foreign policy apparatus adopted since the beginning of the conflicts to manage the post-Karabakh war developments in order to prevent any border changes and becoming it into a lasting geopolitical bottleneck?" The result of research show that the foreign policy of the Islamic Republic of Iran has been a combination of declaring a firm position in oppositing to any border changes and while avoiding tension and increasing cooperation in order to prevent any change in the geopolitical situation to the detriment of Iran's interests, especially in the North-South Corridor. These policies have been pursued at various economic, military, and political levels in interactions with the Republic of Azerbaijan and Armenia.

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