The Spatial Pattern of Iranian Old Cities in the Transition from the Sassanid to the Islamic Period

Ancient cities are valuable cultural and architectural heritages of Iran. This cites show the citizen’s life and different spaces of cultural, political, social, religious characteristics. We can research on cites and determine how much has changed the life of Iranian citizens durind their long history. By appearance of Moslem in Iran and their domination over the country, the urbanism and structure of urban life in Iran underwent significant changes. Although, one must admit that the basis and foundation of Iranian cities after the arrival of Islam was based on the urbanism and urban development of Sassanid era; the new religion spread a new series of principles, norms and new social frameworks in the Iranian society which were clearly effective on the structure of people’s routine life. This paper according to methodology of historical archaeology and integrating historical and archaeological data, text documents tries to explain how Islamic ideas affect the process of urban spatial development.