A study in balance of the city of Khuzestan province (1365 to 1385).

The main objective of this research، review and analysis in the balance of the city by 65 to 85. The collected data used in Excel and Spss program، after that studied in the index of urban concentration (Mehta)، the rank - size، entropy coefficient، coefficient of variation have been studied. Population of Khuzestan province the population of this research content urban areas in periods of 65 to 1385. Data collected & analysed from amarnameh websites related to urban areas in Khuzestan province had a population census. This research is theoretical and its Method is survey - analysis. Few of The results of this study، are: the problem of balance in Khuzestan province in the urban hierarchy is still one of the characteristics typical of urban systems. because the First city of Ahvaz، the provincial urban hierarchy from the rank - size and discrepancies did not comply، imbalance and alienation in the urban system، it is clear. In order to achieve a balanced urban systems require policy and planning in the military establishment developed، consisting of small and middle cities and urbanization in the context of national strategies. That unity and territorial integrity to be followed by a space.