Effects of Multilateralism on Advancement of the Situation of I.R. of Iran in South-West Asia

“Iran Vision of 2025” mapped Iran in its horizon as a developed country, which is economically, scientifically and technologically ranked one in south-west Asia, while keeping its Islamic and revolutionary identity and inspiration in Islamic world, accompanied with constructive and effective international interactions. Therefore, Islamic Republic of Iran requires suitable and effective foreign policy to advance its position. This research assumes multilateralism as an appropriate approach toward achieving these goals and examined this assumption by scientific method. Data analysis approved the hypotheses of this research.