The National Park belongs to one of the nine categories of protected areas in the Republic of Croatia managed by public institutions established by the Government of the Republic of Croatia. The main and basic purpose of national parks is the preservation of natural values, and scientific, educational, recreational, educational purposes. In national parks, the economic use of natural values is prohibited, and various activities that do not endanger the originality of nature are allowed. The national park is proclaimed by the Croatian Parliament. The public institution that manages the Krka National Park manages this protected area on the basis of management documents. There are several services within the public institution, and one of the most important is the supervision service or the nature conservation service, which performs direct supervision in the Krka National Park. The employees of the supervisory service are rangers (nature conservationists), and the supervisory service is headed by the main ranger. The Supervisory Service implements nature protection, maintenance, conservation and use of the Krka National Park on the basis of the Nature Protection Act of the Republic of Croatia and the Ordinance on the Protection and Conservation of the Krka National park.