Using qualitative research methods and the theories of international relations, the role of regional organisations in the United Nations conflict resolution politics in maintaining peace and security in the world is considered. Viewing the case study of the first years of the Syrian war (2011-2013) and an excursus on the Libyan conflict (2011), this paper attempts to show in how far regional organisations, as the African Union and the League of Arab States played parts in cooperating with the United Nations to handle the situations in their respective regions.