Urbanization has been a comprehensive attempt during recent decades. The range of revolutions happened in the structures
of the social relationships during urbanization lifetime has affected the different aspects of social and individual life. Today, however,
different kinds of social damages and crimes are mentioned as an acute problem not only threatening the health and security of the
society but also making a lot of problems in the society in many cities of the world and the big cities in particular (Daneshvari, 2014).
The city population is increasing with the average annual growth of 2%. About half of the world population lived in the cities in early
2000. It is expected that the urbanization ratio increases to 6% on the earth in 2030 (United Nation, 2008). This uncontrolled and
increasing growth has caused many problems for the city habitants. Increasing Urban crime and insecurity originate from the
irregular growth of the cities and their anonymity. Very extensive studies have been done internationally since recent decades about
fighting the crime factors and organizing, balanced designing and fair distribution of usages.
The city of Semnan welcomes many temporary and permanent immigrants and many passengers in different time periods due
to its location between the capital and important pilgrimage, tourism, commercial and industrial cities of Iran, having rich historical
background and educational strategic location. Therefore, considering and analyzing the security dimensions of this city and
improving the designing quality is strongly felt to decrease the background of crime due to the presence of different kinds of classes
in the city. The aim of the present research is recognizing and determining the security levels in the different neighborhoods of the
city of Semnan based on six fold physical factors. Different points are given to these factors in the level of the different
neighborhoods based on the field understandings and studies. The opinions of the elite experts of urban affairs are collected by a