This paper analyzes the administrative and inspection supervision in the state administration of the Republic of Croatia. Prior to defining the notion of administrative and inspection supervision, the central state administration bodies are being dealt with by ministries, central state offices and state administrative organizations, and by state administration offices in counties as first instance state administration bodies. It then explains the importance of the state administration bodies, which performs the tasks and how the oversight is organized within these bodies. A more detailed study of literature explains the activities of the state administration, and the greatest emphasis is placed on the administrative and inspection oversight tasks, which is also the subject of this paper. Then, it explains who carries out administrative oversight, which bodies are being carried out and which administrative oversight measures. Inspecting inspections are carried out by inspectors, their rights and obligations are exercised in carrying out the supervision and the prescribed measures they take if they identify any irregularities or irregularities. The principles for doing state administration work are explained briefly, since their existence assists state administration bodies in exercising their functions and in carrying out their duties and tasks on a day-to-day basis. For the end, a report on the inspection work is being processed.