Research of modern thesaurus of “coordination” concept and generalization according to deductive analysis of different scientific views allowed us to conclude that coordination should be considered in the form in which it acts at the level of management practice. In a specific manifestation in public administration coordination is vigorous activity of the subject that stipulated the disclosure of its essence through the managerial relations thesaurus and its related categories: managerial interrelations managerial interaction managerial communications. It is proved that for the public administration system the most appropriate classification is the division of managerial relations depending on the way of achieving the end result of public authorities staying in relations: subordinated coordinative reordinated.