Quarterly Journal of Political
Research in Islamic World

Arabia considers Iran the main source of instability in the region and believes that Iran seeks to dominate the Sunni Arabs through creating Shiite crescent. Especially after the Islamic Revolution, two countries have been as the rivals in the Persian Gulf. Ideological competition is considered as the core of competition in the areas of geopolitics, geostrategics and geoeconomics. In recent years, Relations between Saudi Arabia and Iran have been tens due to political developments in the Middle East is. Saudi Arabia saw Saddam's collapse as the Shia empowerment and promotion of the Iran's regional place and end of Sunni dominance on Iraq. Also enhancing Iran's regional place after the revolutionary developmentes in the Arab world and Iran's nuclear agreement has led Saudi Arabia to get to this perception of the threat that Iran's regional power and influence have been increased and as a result regional balance of power is changing in favor of Iran. After changing Arab World's revolutionary developments to civil wars, areas of competition and confrontation between Iran and Saudi Arabia extended from Lebanon and Palestine to Syria, Iraq, Bahrain and Yemen. So that these areas have become arena of proxy war for these two regional and ideological rivals. This article tries to study concepts of unity and the proxy war theoretically and to examine the fluctuation of relations between Iran and Saudi Arabi and dimentions of regional rivalries of these two countries. The main question in this paper is what is impact of regional rivalry between Iran and Saudi Arabia on the proxy wars between them? This article's premise is that regional rivalry between Iran and Saudi Arabia in the fields of ideological, geopolitical, geostrategics and geoeconomics have triggered proxy wars between the two countries.