Depending on the cities of Fars province to farming, any drastic changes in their system of urban hierarchy refer to agriculture and climate change, but what is noteworthy that the urban hierarchy in Fars province is not affected by agriculture and climate factors.Political factors; including choosing the center of the city (Noorabad & Lamerd) and economic factors in the allocation of resources to the cities (the use of growth poles), are the main causes of disorganization and evolution of hierarchical urban system of Fars province. This study is trying to use first urban indicators, entropy coefficient, Lorenz curve and Gini coefficient and calculate Hrfyndal indicator with the use of result of Population and Housing census during 1966 to 2011, the urban hierarchy and network developments Fars be investigated. Results indicate imbalances and discordance in the urban hierarchy of Fars Province, the absence of any city to second-class population and reduction of distance between first town and downstream.
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