Abstract

From ancient times, Iran’s boundaries were formed by Iranian kings’ struggles. From that time, an imagination about these boundaries was formed in Iranian minds and has been continued until now. So, one of the important duties of Iranian kings was to expand Iran’s boundaries to that of ancient times. The aim of this research is to investigate Iran’s relations with European countries and the role of these relations in forming the Iran’s boundaries from 1789 to 1828. In this research, a descriptive-analytic method is used. The findings of this research show that in Qajar dynasty, Agha Muhammad Khan and Fath Ali shah made some great attempts to expand Iran’s boundaries to that of ancient times in order to, through which, can legitimate their rule on Iran. These actions made Iran to enter European countries’ politics widely. Russia advanced in Caucasus and the Britain entered Iran’s affairs widely to protect its realms in India, and France set a relationship with Iran in order to access India. Entrance of the unknowledgeable Iranians in international politics led to Iranian amazement, and European countries’ interference in forming the Iran’s boundaries, and, step by step, Iran lost some of its parts