Purpose: Nowadays, Spatial and social inequalities are universal and expanding phenomenon. Identification and spatial analysis of social, economic and ecological inequalities in metropolises is one of the essential and basic proceeding for planning and achieving urban sustainable development. Aims to reviews the quality of spatial differentiations between the 374 neighborhoods of Tehran metropolis. Methodology: The method of the research is descriptive-analytic. To identify regions' development levels in Tehran, 10 sub-criteria in the form of 3 main criteria were used. With Using of AHP method and EXPERT CHOISE software each criteria and sub-criteria mutually were compared relative to each other, evaluated and scored. Finally, by method of hierarchical clustering, Tehran metropolis neighborhoods in terms of ranking of development at five levels of developed, relatively developed, medium developed, less developed and underdeveloped regions, were clustered and in the Arc GIS settings were displayed as a map. Findings: The result of indicators review shows that Tehran metropolis lacks socio-physical unity and spatial differentiations between the north and south of it remain still as the main feature of spatial structure of Tehran metropolis. Originality/Value: The present study believes that continuance of the current procedure, not only in Tehran but also in national level is a main challenge over the way to achieve urban sustainable development and good city.

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Purpose: With the increase of Iran's urban population, large cities faced many problems and new cities were located and built to attract population overflow in the area of these cities. The new city of Sahand was built to reduce the demographic, economic, social and physical problems of the metropolis of Tabriz in the sphere of influence of this city. With the creation of Mehr housing in phases 2, 3 and 4 of this city, a new issue was raised. This article seeks to examine and identify the social issues and problems of this city, prioritize them and identify solutions to reduce the impact. Methodology: The research method used in this research is applied and survey. Findings: Results show that the most important problems are: drug use, class differences, cultural poverty, distrust of neighbors, distrust of city officials, economic poverty, presence Thugs, the presence of badly supervised women, unusual relationships between girls and boys, harassment of women, quarrels and conflicts, running away from home, begging, unconventional relationships between married men and women, child abuse and white marriage, relationships Poor neighborhood, general dissatisfaction with living conditions, feeling of insecurity in parks and gardens, inadequate lighting and lighting of roads, flooded roads, traffic jams and the problem of parking cars, unsuitable sidewalks, lack of medical centers, lack of playgrounds for children and adolescents, Lack of green space, inadequate garbage collection system, low quality of housing, lack of recreational space for citizens, etc., which are the most important factors in the occurrence and emergence of social harms in this city. Originality/Value: In this paper, investigation and identification of social harms in the new city of Sahand, Tabriz (With emphasis on Mehr housing) is done.