Public administration has always been subject to change. Changes that occur in public administration are the result of those changes that occur in social relationships. The administration exists because of the citizens and in order to meet their needs, as society is changing and moving at an increasing speed, the administration must adapt to these changes. Therefore, various reforms need to be implemented in order for the administration to comply with social changes. It is important to emphasize that certain tendencies were applied through management development to improve its development. In the Croatian public administration, it is first necessary to determine the situation, to find and to identify problems, and then to offer an ideal solution. Reforms are needed at the state, regional and local levels of government. A great role in the functioning of the public administration have the employees working there, therefore, it is necessary to develop a staff of skilled and trained staff. Management should be open to users of their services ie citizens. The principle of transparency refers to the availability and free access of citizens to the information that administrative organizations have. There is a need to develop a relationship of co-operation between the administration and the citizens, only then can we speak of a quality, democratic, responsible and efficient public administration.