An amendment to Act No. 114/1992 Coll., on nature conservation and landscape protection, as amended, came into effect on 1 June 2017, and was published in the Collection of Laws under No. 123/2017 Coll. What changes did the amendment bring concerning municipalities located in national parks? Did the role of municipalities strengthen upon measuring the interest in nature conservation and rights of municipal self-government? The present paper analyzes the impact of the amendment on municipalities, or rather on the activity in the territory of municipalities located in national parks, and names the principle communal aspects of the amended legislation.