Territorial expansion of Russian government began from Iran Northern Territory of Iran since the beginning of the 13th century Ah/19th BC.Russians followed territorial expansion in the northern territory by Akhal treaty. Akhal Treaty was signed in 22th Moharram 1299A/H. or 14th December 1889 between Saeed Khan Motamen Al Mulk, Iranians Foreign Minister, and Ivan Zinoviev, Minister of Russia, in Iran. Based on Akhal Treaty they extend Russia s southern borders to Iranians lately borders; but the determination and precise delimitation of boundary lines between the two countries remained unresolved up to 1333. One of the important points that allocate more than seven decades of relations between Iran and Russia, respectively, was the determinant of Firuza issue which was important from geo-political situation, military and water resources. Despite of geopolitical importance of Firuza village several military agreements, conventions, treaties with the village theme were signed between Iran and Russia. The owning of the village was hand to hand superficial and alternately but actually the Firuza village after Akhal treaty was never occupied by Iran. This study is tries to consider the process of separation of Firuza village from Iran in library and documentary search then the possible causes of the economic, political and military consequences beside military and crowed results are investigated.