Abstract: “The appearance of city and urbanism is one of the important processes which have affected social communities .Being industrialized urbanism developed along with each other in the history.In addition, they have had simple relationship for more than six thousand years, that is , from the appearance of the first cities . In 18th century by coming out of industrial capitalism, progressive development took place in urbanism in the world. In Iran, the city of each region made its decision by itself and the capital of region (downtown) was the only central part and also the regional city without any hierarchy, controlled its realm. However, this method of ruling during these three decays, because of changing in political, social and economical issues that have caused changes in rural and urban relationship. Moreover, it has changed the variety of performance of cites and systematic urban network in Iran. Today, urban system has very vast imbalanced apace and performance. In Isfahan, the trend”

Keywords: urban network, urban hierarchy, primate city. Isfahan province