Arab Contributions to Introducing the Roman Territories During the Byzantine and the Seljuk Periods

This article aims to show which extent the Arab and Muslim historians geographers are aware of familiar with Byzantine empire’s territories (Roman territories), their information about its administrative military divisions in first eight Hijri centuries (8-14 AD), is period Roman were under rule, later by Seljuk who dominated these after Battle Manzikert 463 AH / 1071 AD, before submission Ottoman rule. The study also explores main routes used Arabs Muslims campaigns invade territories, Christian pilgrims area between Levant Constantinople (Istanbul). based on old traditional Arabic Sources until eighth century fourteenth it shows how dealt names places Arabization names.