The study aimed at identifying the 2015 Iranian Nuclear Agreement between Iran and the P5 +1 group of world powers β the US, UK, France, China, Russia and Germany. It also attempts to clarify the agreement justifications, and meanwhile explores the regional and international repercussions resulting from it after the American withdrawal form it. The study also attempts to answer the following question: what are the repercussions of the Iranian nuclear agreement on the regional and international levels? The study also aims to ascertain the validity of the following hypothesis: the Iranian nuclear agreement created regional and international repercussions which led to imbalance in the Middle East which in turn harmed the regions stability. The study relied on historical and analytical approaches to test its hypothesis