Transregional challenges of the influence of the Islamic Republic of Iran in West Asia (2005-2021)

Promotion of regional power c. A. Iran, which is located in one of the strategic geopolitical regions of the world, is necessary and necessary to provide the ground for the realization of the high goals of the Islamic system and revolution. This is despite the fact that according to the theory of hegemony, extra-regional powers more than ever have their interests around the region. The Middle East strategy revolves and they are trying to maintain the balance and prevent any regional power-seeking. The main question of the article is: How the presence of world powers in the Middle East has caused the process of reducing Iran's regional power and made it face a challenge? The hypothesis of the research is that the great powers such as America, China and Europe are trying to hegemony in the Middle East with their own tools and in this way they will reduce the regional power of Iran. The findings of the research show that America and Europe through various military and political-economic alliances and pacts with the countries of the region, China with extensive economic ties and limited security alliances, etc., have caused restrictions in Iran's regional activities. The research method in this qualitative research is descriptive-analytical, and they were collected from library sources by the chipping method.