In this graduate thesis there is talk of implementing protection nature in Krapina- Zagorje County. Management of protected parts of nature and areas under the Nature 2000 ecological network carried out by a public institution for the management of protected parts of nature of Krapina-Zagorje County. Public institution carries out activities related to protection, maintenance and promotion protected areas, in order to protect and preserve nature and ensure the smooth running of processes. The activities that the Public Institution is obliged to carry out are described, the management plan on the basis of which the Institution is managed, the goals, the implementation of the plans and the protection guidelines that are carried out. Krapina-Zagorje County owns a large number of protected areas, and that we count 1 nature park, 4 monuments of nature, 2 areas of significant landscape and 10 monuments of park architecture. The total size of protected areas in Krapina-Zagorje County is 6,211.58 he. Special importand should be given to the protection of flora and fauna which can be found in a large number. It is described ecological network in general and ecological networ areas in Nature 2000 in the field Krapina-Zagorje County. In the implementation of nature protection, it is importan to implement projects whitch they want to reach the general public pointing out the importance of natural heritahe and conservation. The manner in which the education of the population is carried out by the Public Institution with the main goal of preserving natural values and the environment is described, and a short discussion related to institutional activities related to nature protection is written.