Spatial political construction of Persian-speaking countries as a region, based on cultural and identity commonalities

The change of conditions and the emergence of new and influential elements in the field of international politics indicate the importance of the category of culture in promoting national interests and goals and improving relations between countries.Today, culture is referred to as soft power, which brings the influence and influence of governments.Cultural interactions, by creating platforms based on identity and common cultural values, have the ability to influence the process of convergence in the regional and international arenas.Central and South Asia (which has Tajikistan and Afghanistan in its heart) has long been a part of Iran's civilizational and cultural territory, so that it has been far beyond Iran's current political geography.This research is based on descriptive-analytical nature and method, and the required information has been collected in a library manner and based on referring to reliable sources of books, articles and documentary reports.The results of the research show many cultural and identity commonalities, such as Persian language, music, ancient and common customs, between Iran and the above-mentioned countries, which can provide the necessary foundations for Iran in the field of regional interactions and the construction of a new region in this geographical area.