Mosques forecourt place yesterday and today in the formation and strengthening of behavioral setting (comparative case study in Shiraz Vakil Mosque and the Mosque of Al-Zahra)

Islam is a social religion in all its aspects, mistakenly as one of the most visible aspects of community identity and Islamic city, the mosque which is well known for his intellectual and spiritual dimensions have always been fundamental. It seems that now the leading role in organizing social and physical structure in the Islamic mosques, and in the cities of contemporary Iranian - Islamicre not fade. Hence, the focus of this paper is to identify specific physical meaning and ancient mosques in the cities of Islamic Iran. That can be used today as a system of social and physical part of Muslims to play their roles. For this purpose, as well as case studies and Msjdfatmh Al Vakil Mosque of Shiraz is selected. It should be noted that the study of comparative method - analytical and historical and comparative approach using Likert scale and Cronbach's alpha reliability testing and data collection tools: a literature review and field observations have been used. That in different historical periods prior to the present century, the venue for important social events and social interaction among citizens is desirable. While the Fatima Zahra mosque being built in contemporary and urban social and physical impact is less effective. Is one of the factors that influence the invalidity of the headquarters of the system behavior dilute and weaken the forecourt element in the physical structure of components in aerospace organization, flexibility, visual proportions, signs, sensory richness, and knew readability.