Omnibalancing and Saudi Arabian Coalition Bulding in the face of Islamic Republic of Iran

After the Islamic Revolution, several coalitions are created in surrounding regional geopolitical area of Iran, especially in the Saudi Arabian Peninsula. Saudi Arabia is one of the pivotal and important actors of coalitions in the Persian Gulf region. Saudi Arabian authorities justify these coalitions in the base of balance of threat which Islamic Republic of Iran considers as the main resource of threat. This article want to answer this question: what is the base of Saudi Arabian Coalition building in the face of Islamic Republic of Iran? The hypothesis of article is that the real roots of coalition building of Saudi Arabia should be seek in domestic and internal crises, in the base of Omnibalancig theory. Some domestic threats like Succession crisis, Ethnic differences, constantly changing price of oil and Absolute monarchy cause to this regime seek to its security in the coalitions such as Persian Gulf Cooperation Council and Decisive Storm in Yemen. The hypothesis of this article is processed with using qualitative method.