This textbook, written by collective authors on the basis of the relevant curriculum in the Republic of Azerbaijan, provides the legal structures constituting a part of international (publikative) law, their subject matter, principles, sources, subjects and so on. issues are touched upon in detail and their essence is clarified. In the work, the provisions of the special part of international (public) law are reviewed, its system is studied, its specific legal domains are distinguished. In modern times, the international law (law) course covers the right to international treaties, the right to foreign relations, the right of international organizations, international humanitarian law, international economic law and so on. such as independent (public) law; issues related to each independent branch of law are considered in the international legal context.