Interests and considerations of regional powers in Syria Crisis

The purpose of this study is to examine the interests and considerations of regional powers (The Islamic Republic of Iran, Saudi Arabia, and Turkey) in process of Syria crisis. crisis which began in 2011 and continues today. In fact, our question is what the goals and interests that the Islamic Republic of Iran, Saudi Arabia and Turkey seek in the Syrian crisis? The main hypothesis is that these three regional power have sought some goals and interests in three models of order including Shia (Iran), Salafi (Saudi Arabia) and, Brotherhood (Turkey). The commonality of these regional powers in crisis of Syria is to effort for protect and offer their order in this country and increase their regional influence and, their dissociation is way of their role-playing in the process of crisis and, also their antithetical interests in this crisis In the framework of the model based on the balance of power.