For a long time international law and national legislature, did not have a unique and all-inclusive approach to defining trafficking in human beings. With the adoption of the UN Convention Against Transnational Organized Crime and its two supplementing Protocols, one against Trafficking in Persons and the other against Smuggling of Migrants, this occurrence was precisely defined, and the specified definitions and concepts have become a standard for the revision and amendment of the national criminal laws in many countries, ours included. In this paper, the author strives to give a short review of defining the concepts of human trafficking in applicable international legal acts, the laws of certain countries and domestic laws and indicates t...