By means of research and professional literature, administrative oversight is one of the most important supervisions in the work and treatment of government affairs bodies, but also in its operation and application of various legal frameworks and regulations. Prior to defining the notion of administrative oversight, it will be determined and processed how the administration gradually developed where it emerged and what a reflection it created for the Republic of Croatia. Then the government affairs in the Republic of Croatia, which is regulated by law, which ones are special, who carries out duties in government affairs. Why are the state servants special? Then a more detailed study of the literature will lead to the separation and more precise establishment of government affairs bodies, its features, the legal framework, but also the jobs being carried out. Civil servants are persons who perform tasks in government affairs bodies. They will be exploring who the civil servants are, who need to have the quality and knowledge to perform such a job. According to the official results obtained, the number of civil servants working in certain state bodies, regardless of gender, whether determined or not. Which principles should be based on and guide the structure of government afffairs bodies? Briefly draw the conclusion already applied to certain principles with respect to the previous knowledge of government affairs. The highest emphasis is placed on administrative oversight, which is at the same time the theme of this paper. The paper examines the forms of supervision over the executive and administrative bodies in the Republic of Croatia, which, after considering the nature of the supervision, the subjects of oversight and supervisory powers, analyzes in particular the supervision within the bodies, the hierarchical administrative oversight by the regional and local self- and inspection supervision by the Ministry of Administration. What is the difference between administrative and inspection control, which is particularly inspected by the inspectorate.