Objectives: To know the "defense spatial planning of the Islamic Republic of Iran in the Strait of Hormuz and Makran coast based on their geostrategic capabilities"
Methodology: The current research is an applied research that was conducted using a descriptive method and a mixed approach.
Findings: In total and according to the obtained results, the desired defense plan of the Islamic Republic of Iran according to the geostrategic capabilities of the Makran coast should be based on the formation of rapid response brigades, the development of rail communications, especially the opening of the Chabahar-Zahedan rail line and its connection to the nationwide railway and development The transversal rail connections along Makran coasts and the development of biological settlements should take place according to the world's innovations. Also, the defense spatial planning alignment of the Islamic Republic of Iran should be carried out according to the geostrategic capabilities in the Strait of Hormuz, topographical situation, relative position and human capacities. The effect of the mentioned variables on the defense spatial planning is almost equal.