العامل الجغرافي و أثره على الفتوحات الإسلامية في طبرستان

الملخص EN

After Islam spread in Arabian Penimsula , spreading islamic religion globally was a must Islamic conquers went to Persia behind the rluer countries.

My research , talks abut the role of geogeuphy in Islamic conquers in to Tbristan the country where spread of Islam was postponed until the therd century A.H.

due to the rouyh anture of this country such as high omuntains , deep valleye narrow straits that made hurdled movement of islamic armies which depended heavily on cavcolries as the lost resort.

This resarch talks a bout the geographyof this rehion whit the most important mountains and cities, the most important campains to conquer Tabristan region as welle as the most preminent muslim lreaders