Introduction: Public spaces, which belong to all the individuals of different ages, occupations, cultures, and races with no restriction, are one of the most important parts in a city.Today, the importance of the studies on these spaces, considering the needs of the citizens, is more evident. Study and evaluation of urban public spaces, is an urgent necessity in planning the urban management and improvement, and it is a sign of the reproduction of these spaces which is done to improve the city in cultural, social and structural aspects. The approach to the study of these spaces includes 3 perspectives that are considered problems in literature related to urban society: a) Surfaces or areas devoted to public occupancy: the discussion here is the fact that how much of the general net area is devoted to public occupancy. b) Distribution of these spaces over the city: In this part, the dispersion and accumulation of each one of the public occupancies in a specific area, is compared to its standard ratio.