Analysis of the impact of border rivers on relations between Iran and its eastern and northeastern neighbors in the direction of economic stability and development of border areas and regional convergence

International rivers are waterways that cross the border between two or more countries and mark the border of countries, or rivers that cross the territory of several countries along their route. In the current era, the source of many regional conflicts and disputes between governments that share watersheds. The main purpose of this paper is to analyze the impact of border rivers on relations between Iran and its eastern and northeastern neighbors in the direction of economic stability and development of border areas and regional convergence. The main question of the article is what effects have border rivers had on the relations between Iran and its eastern and northeastern neighbors in terms of stability and economic development of border areas and regional convergence? The information required for this research has been collected using library and documentary methods. In this way, by studying and reviewing books, articles and scientific research journals, a collection on the subject of this research has been done. Also, the opinions of professors and experts related to political geography have been used in order to increase the weight of the content as much as possible. The results of the article show that the emergence and formation of natural waterways, which are the same as rivers, are affected by various factors; Such as climatic conditions, geology, human and geographical factors. Rivers with common border areas can have a significant impact on relations between the two countries, especially their political and security issues.