Study of the socio-political situation in the region of Tarhan during Qajar era

A part of Iran's contemporary history should be studied associated with the states, territories and its inhabitants. Among them, Tarhan, located in Lorestan province in West part of Iran, has a traditional and nomadic lifestyles. The region was ruled by Omaraey dynasty rulers (Ghazanfari) in Qajar era. While having relative internal independence, they had adopted central government. The theory of this study is about Tarhan, as a subset of Pishkooh in Lorestan, that had a significant role in both political and social sphere. This region became more important from the constitutional revolution to rise of Reza Shah. The period when several events such as Salarodowleh’s riot, British presence in the West and South with the aim of domination on oil and world war I occurred.The purpose of the study is assessment of the history of the region of Tarhan and Studying its position in the Qajar era using a descriptive - analytic method based on library and documentary text derived from National Archives. It is going to answer the following questions: what conditions did Tarhan have during Qajar era? What role did Tarhan play during those periods particularly in the events in the West of Iran?The result of this study shows that geographical location of Tarhan and its financial and military benefits for the Qajars made it become one of the most important tribal areas and according to the power of the rulers of the region and presence in events of this period, central government paid attention to this region very much.