the spatial distribution pattern of urban services measurement in fifth region of tehran using entropy and williamson models

following rapid and explosive population growth in urban settlements that was result of immigration, urban servicing as an important issue in urban planning has been studied equality in services distribution in urban areas causes equality and social justice. this paper investigates urban services distribution pattern ( educational, health, cultural, religious and sport) in 5th region of tehran city and it is main purpose is spatial justice measurement in sub regions of this area. methodology of this research is descriptive analytical and method of data collection is documental and field method. the results show according to williamson model and the entrojpy model for the distribution utilities in sub regions of 5th region of tehran is unbalanced. inadequate urban services in some sub regions of 5th region. appropriate site selection for urban services in this region is one of the most important.