Study of effect of Iranian culture on Iran's architecture in historical periods

Culture is a result of human effort for creation and creativity; and including his customs, beliefs and opinions in a long time. Architecture ,as a social phenomenon that comes from culture, always has been affected by it, and changing in the cultures and customs has directly affect on architecture and urban designing. Mutually, this architecture and urban designing is effective on culture. this paper, review how this influences, and positive and negative results. Researching method is descriptive and analytical. The result of this research explains; Formulation of principles, of Islamic and Iranian architecture in today’s world and in modernization process is necessary.