The public sector is the result of the rationalization of state functions and its administrative structure and of the need for the better, more economical and rational satisfaction of the needs and interests of citizents. It can be defined in terms of 3 different aspects: functional, legalisitically instrumental and financial aspect. The public administration includes state bodies, bodies of the local and regional self government and legal entities with public authority - public administration bodies. The Ministry of public administration with its Public Administration Development Strategy (2014. – 2020.) defines public administration as one of the most important strategic areas. The modernization of public administration and providing of fast and reliable public services are esential parts of encouraging entrepreneurial anviroment and also the assumption for ensuring the better standard for all the citizents. Contemporary administration must reflect the harmony of the Croatian and European legal system, as well as the adoption of the administrative European standard. Management is a process of shaping and maintaining an environment in which individuals, working together in groups, efficiently reach the chosen goals. Management is the function of organizing and activating organizations whose purpose is to efficiently achieve the established goals of action. Based and shaped by entrepreneurs, the manager manages the following functions: planning, staffing, organizing, managing and controlling. Controlling is understood as a functional control instrument that supports an entrepreneurial management and decision-making process through targeted refinement and information processing as well as management assistance. Controlling in practice is the most significant economic discipline, and we can say that it is a component of social system management because it supports management in its leadership and routing task.