the Analysis on the role middle cities Mazandaran province ofregional development (Case study: Babol)

Imbalances and inequalities in the settlement systm and the need to achieve a balance of interest in the developmentand causes tente intermediatc in cities as one of the global straregy in this regrad it is essential to  evaluate the roleand function of these cities .in this regard it is essential to the role andevaluated the performance of these ities. Therefore,this article is to answer this question. Babol Ptansylhavtvanmndyhay system development in the region(province) what? In this paper, a method of cross-sectional study, which collected data from documents and librarymethod
   
% pplied, Also, to data  processing methods and quantitative models Nzyrmdl demographic,economic models used Vmdl hinterland the results show that the equilibrium population of the city of Babylon ableto play a role so no it increases regional imbalances. Dygrarzyaby aslo indicates that the  economic performance ofthe service has a strong  role in the development  and economic balance of the province, and can act. Also check theinfluence of Babylon show that singnificant shhrbkhsh devoted his services to the  hehinterland. Overall, theseresults suggest that in the middle of the city in the province of Babylon, as well as consistency of spatialdevelopment of the province can help.