The course offers a comprehensive introduction to the methods of diplomacy, as well as to the institutional organization of the international system. The course aims at making students familiar with the most important theoretical and practical aspects of diplomatic practice, as well as the role of international organizations in the international setting, with emphasis on issues such as peace and security, international economic relations etc. In this framework, through the use of practical examples, the course presents the ways diplomatic relations are developed among states, as well as the ways diplomatic negotiations are carried out, both at the bilateral and the multilateral level. Moreover, the typology, the structure and the aims of international organizations are analyzed, with emphasis on the functioning of organizations such as the League of Nations, the United Nations, the World Trade Organization, NATO etc.