Spatial Organization of Gurgan city in Islamic Period (On the basis of Archaeological Findings and Documentary Sources)
Dr. Abed Taghavi, Dr. Rahmat Abbasnejad, Dr. Saman Farzin

Abstract
Jurjanor Gurgan is a city that remains from the Islamic period have been located in 3 kilometers from the western current city of Gonbad-e-Qaboos. The foundation of the city as a fortress in the late Sassanid era was formed in the early centuries of Islamic rulers in the early development of local Samanids his vast experience and reach 300 hectares approximately. The second stage of urban development in this city that the final stage of development the city is considered in the Seljuk era succeeded and the extent to which more than 1200 hectares. This paper approaches utilizing methods common theoretical study of spatial organization in the city using the findings from archaeological research and written sources and historical geography. The results of this study indicate that residents in the establishment of two Sunni and Shiite, each with evidence of various urban spaces, to reflect a political and religious ideas in the form of the rulers and the has been expanding various parts. Place core and the central city, the changes left and semi-independent elements(total small) such as the mosque, citadel, market , square andJurjan urban structure have been developed from the military is an important part of its regular network of streets, including main and sub-parallel to that, they cut each other.Beautification of urban spaces with decorative brickwork floor carpets Street, effluent disposal by surface hub of waterways (channels) through which underground water pipe was driven by clay, including features in the form of spatial organization is Jurjan city. Form and analysis of two point spaces in city government when Seljuk Samanid and that facilities for residents of the civil disorder and has a logical layout with the city on the Silk Road , city's economic prosperity in the medieval period used the frequency of interest.

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