The Role of Iranians in the Commercial Development of the Arabian Peninsula from 3th/9th to 6th/12th

Geographical situation of Arabian Peninsula induced the Iranians to benefit from a lucrative trade. They took over the trade in the peninsula by controlling the coastal cities and marine bottlenecks, as well as being aware of the trading rules and competent in seamanship. Furthermore, the vast area of Iran along with a plenty of minerals and favorable climatic conditions facilitated the cultivation of various products and manufacture of industrial goods for export to different regions, including Arabian Peninsula and led to having a prosperous market. In this paper the contribution of Iranians in the Arabic Peninsula trade and the development of its cities during 3th to 6th century A.H(9th to 12th AD), will be considered.