Historical geography of the city Amed and its place in the relations of Iran and Rome in the Sassanid era

The ancient writers, as well as new historical research of ancient, historical geography and the urban structure and urban areas and cities of the ancient reigns do not give much information about the cities . We can say that this area almost has been neglected. However, the research in this area illuminates the dark corners of relations between Iran and the neighboring powers. There is a frontier town, according to a geographical location and geopolitical located right in Mesopotamia, a very long time is a series of multiple hands. From the middle of the Iranian Parthian and Roman communicate to the late Sassanid era, for seizing this key region, efforts have been made by both the ancient period.the geographical and historical issues in the study of civil Amed city gives structures and political role, The city is an important commercial and religious relations in Sassanid Persia and Rome were reviewed and analyzed. The research indicates that the seizure was a frontier town as access to both the power of ancient Armenia, concentrate in Mesopotamia, as well as a strong base for the territory of their country's go. As civil Amed city structure was influenced by this problem, and again by the power of its ruling on its fortifications were added. In addition of access to the city, which was located on the trade routes, both in terms of trade relations between the two countries in terms of religious propaganda had a double significance.