Geopolitical Factors Affecting Foreign Defense Strategies of the Islamic Republic of Iran and Turkey

Turkey is one of the most important Islamic countries in the West Asian region and Iran is considered as one of the most stable and powerful countries in the region; The two countries have long competed with each other for regional hegemony in the political and economic spheres, so they influence each other in different ways. The purpose of this study is to identify the geopolitical factors affecting the defense strategies of the Islamic Republic of Iran and Turkey and determine the extent of this impact on each other and researchers in this article seek to answer the question: what is the Geopolitical factors affecting the defense strategies between Islamic Republic of Iran and Turkey? This research has been done in terms of type, applied-development and in terms of method, descriptive-analytical with a mixed approach, and both library and field methods have been used for data collection, and data collection tools was, filing, Interviews and questionnaires were distributed and the statistical population of the study was 58 people and the sample population was considered as a total of 58 people.