Determine the levels of development of the city of Ardebil using TOPSIS in GIS

The use of quantitative methods and criteria for the classification of human settlements in the spatial system of regions, on the one hand led to the recognition of inequality of settlements and on the another hand is the criteria for effort to reduce and eliminate the inequality among them. In order to solve the problems of regional imbalance, the first step of recognition, is the classification of the regions in terms of enjoyment of different facilities.In this study, eight indicators were used to evaluate the development's degree of counties of Ardabil province by TOPSIS analysis. The method is descriptive and analytical.In this classification, Khalkhal county by 0.72 of development's factor has the highest degree of development and Bilehsavar by 0.07 has the lowest degree of development in Ardabil province. Based on this research center- around pattern is dominated on the spatial structure of the Ardabil. The aim of this study was to evaluate city of Ardabil province to be based on regional balance in the province, private capital in connection with the various services to underserved areas and then allocated to other areas of the region took a step toward balance and the judgment of social justice, equality and we see the problems and negative consequences of this imbalance will be reduced.