Investigating the role of small towns in regional spatial development(Case Study in Dehgolan City)

Small cities, by accepting some of their capital and production factors, can be a factor in attracting the population and ultimately helping to stabilize their region to reduce the urban dilemma that roots in the countryside. In order to achieve a balanced and equitable distribution of population, capital, facilities, facilities as well as economic activities at the national and regional levels of small towns, especially cities where their location in the settlement network acts as an intermediary between urban and rural centers, attention is drawn to it placed. In fact, the aim of the research is to investigate the role of small towns in regional development. The approach used in this research is descriptive-analytic. Librarian methods, statistics and statistics, and detailed census results have been used to collect the required statistics and information. Spss and Excel software have been used to analyze the changes in the population of cities, urban and rural areas. To determine the population changes over the years. Then developments in the urban network and its hierarchical system have been investigated during the three census periods. In this study, related methods and models such as rank size, pull coefficient, georgeshavro and bourgeois model, centrality index, urban primary index were used. The results of the above model showed that Dehgolan city has a basic economy in agriculture and industry with 1.67 and 1.17 respectively, and in non-economic services sector. This issue, due to the role of central city of Dehgolan in the city, indicates the weakness of this section in the economy of the city of Dehgolan. According to the interpretation of the coefficient of location model, it was determined that the city of Dehgolan is not in a decent position in providing this service and facilities in the city