Passive defense and its application in geopolitics and urban and regional planning have a long history. The truth of this claim can be found in the early wars of Islam (Salman the Persian) and defensive measures such as digging trenches and fences, and ancient Iran in the construction of ziggurats, kohandezh, Sharstan, Rabat, Divar, etc., but considering to the advancement of technology and fundamental changes in military weapons; The necessity of using modern passive defense in reducing casualties and damages of modern wars, especially in cities, is felt more than ever. Iran as an independent international actor with ideological goals such as: religious democracy, authoritarianism, anti-hegemony, preservation of territorial integrity, political independence, indigenous development model, spiritual civilization, national security, power building, power reproduction, inspiration part, the model of indigenous and Iranian Islamic progress, etc., also due to its location in the Middle East and its unique geopolitical, geostrategic, geoeconomic, geocultural, geostrategic, geoideological, hydropolitical, aerostrategic, geomedia, global and regional mission and trust in the breath resulting from it; It is coveted, feared and threatened by global hegemony. This research is of an applied type and the variables examined in it include identifying vital, sensitive and important places in Shahryar, in order to reduce the damage caused by enemy attacks, increase the defense power, the threshold of national resistance, deterrence and defensive urban development and finally the formation It is the city of power and an Iranian-Islamic city. The method of collecting information is mainly library, and according to the type of research, field studies (interviews) have also been used. In this article, the matrix technique has been used to check the compliance of the urban system of Shahriar with the principles of passive defense, and the identification of the Shahriar administrative town and the consequences of the concentration of more than 40 centers in this town have been discussed; The results of the research show that the principles of passive defense are not observed in the administrative town of Shahriar. In this way, before the outbreak of war, it is possible to reduce the loss of life and money in the strategic points of the city, where the survival of the city and its resistance depend on these centers.