This is a study on one of the most famous Arab tribes in the Arabian Peninsula, which is the tribe of Syahran al-‘Aridah during the time of Prophet Muhammad and the time of the Rightly Guided Caliphs. This topic has rarely been discussed among scholars, although there is significance anthropological and historical elements, due to the fact that is continues to be the main foundation of the Saudi Arabs, as it was once was, and in fact the tribe was considered to be the primer tribe of the Arab society. This study will answer the question of the structure and size of the tribe of Syahran al-‘Aridah from the historical aspect, as well as studying its influence on the events that took place and developed during that time. This study will app...