Analysis of Spatial Patterns of Crime in Informal Settlement Areas of the Cities Case study: Informal Settlement Area of Bisim in Zanjan City

Informal settlement area of Bisim is one of the large informal settlement areas ofZanjan city, which is formed and expanded during the last two decades due touncontrolled and irregular immigration of rural people. This area from the viewpoint of physical specifications is faced with great problems and insufficiencies.Physical abnormal properties together with population and social characteristicsdominant on this area have caused this area to be a distinguished concentrationplace of crimes of Zanjan city.This study has been conducted to the aim of analyzing crime spatial patterns;review the factors affecting the incidence of crimes in Bisim area and to identifythe conditions facilitating the crime in this area. The present research methods isanalytical –comparative and for analyzing crime spatial pattern in Bisim area, twostatistical methods of clustering test (closest proximity index) and kernel densitymethod in GIS environment have been used. Statistical society of the presentresearch is all the crimes happened in one-year period in Bisim area.The findings show that the most important centre of crime in Zanjan city isconformed to informal settlement area of Bisim. High rate of residential usage,lack of some requirements of citizens including green spaces, educational, healthand civil facilities and lack of some necessary usages including cultural, sport,spending leisure time usages and also lack of disciplinary usages which has madedifficult the formal supervising on this part of the city, have been effective information of such crime spatial pattern in this informal settlement area.