Big cities have a lot of crime at its heart. State crime statistics indicate that Tehran metropolis due to the special circumstances of the geographical space and the highest crime statistics between the cities of the country. The incidence of these crimes, issues and has created many challenges for citizens and city managers. The most important theoretical approaches to the interpretation of the formation of centers of crime is crime prevention through environmental design. This article is extracted from a doctoral thesis titled as New Urbanism and management of urban defenseless spaces to control criminal behavior; case study Tehran. This study seeks to discover which factors and environmental conditions help to facilitate crimes such as theft in the city? The research method is descriptive. After theoretical studies, through sub-GIS software, and then observation centers have been identified robbery, factors and conditions facilitating the study was to explore the relationship between the two. The results indicate that the major centers of mass in the regions 6 and 7. Observing weak territoriality, little oversight residents by design poor, the poor people in places due to lack of planning, lack of standards urbanism, walls and windows dirty and run-down of the major factors and conditions that are rule in hot spots of Tehran.