This paper is a state in international law. As the historically developed countries also developed and internationally right. In addition to the main sources of international law, norms and agreements there are other sources that are collected in the regulations which state as the main entities must adhere to, because of the general objectives of peace and security, and that the regulations in accordance with international obligations must comply with domestic law. Country to become a subject of international law, must meet the following requirements, or must have: a permanent population, defined territory, government and capacity to enter into relations with other states. The most significant contractual text which are the rights and duties of the state has become the rules of positive international law is the UN Charter of 1945 which are formulated as principles of general international law, which is binding for all countries of the world.