Investigating the distribution of administrative centers in Ardabil with the principles of passive defense

The historical study of cities shows a kind of defensive perspective in the context and construction of cities. Even today, in most countries of the world, despite the changes Basically in war patterns, the issue of defense against aggression and hostile actions has a special place in the heart of urban and regional planning. Passive defense refers to a set of measures that do not require the use of weapons and its implementation will reduce human casualties and financial damage to vital and sensitive equipment and facilities, and by using it can be in case of threats and attacks and damage. And damage, immediately rebuild or replace forces and facilities and continue services. The main purpose of this study is to study the field of Ardabil administrative centers with the principles of passive defense against threats and for this purpose to study the historical geography of Ardabil from defense and security aspects and defense considerations for the city in the past. Passive defense measures in the history of civilization in Ardabil have been studied. The research method in this article is descriptive-analytical; One of the most important tools for data collection is the study and field study of the distribution of sensitive and important offices and centers and their distribution in the GIS environment is examined. The current situation of the city in terms of distribution of offices, important centers and Sensitive has been studied by preparing GIS maps for Ardabil city and finally a practical solution has been presented in observing the principles of passive defense in Ardabil urban planning