The quality of services in the hotel industry is one of the most important factors in a successful business. Today's trend of Total Quality Management in the hotel industry provides an advantage in the tourism market. The goal of each hotel is to provide quality services to guests and meet their needs at all levels. By achieving these goals increases the competitiveness, efficiency and flexibility of the entire company. This study examines the quality of services in business performance in hotels Plitvice Lakes National Park - "Jezero", "Bellevue" and "Plitvice”. National Park has each year increased number of visitors from all over the world. The aim is to explore the satisfaction of our guests with quality of hotel services in the hotels of the national park, and how it affects the performance of a hotel. The results of the questionnaire showed that 61.32% of hotel guests, ie, respondents are completely satisfied with the hotel where they were staying. In assessing departments within the hotel, the highest grade is assigned to the department reception where 77.36% of the respondents were completely satisfied with the services they provided in this section. Individual assessment of services in hotels showed that all ratings are averagely positive, although there is a need to integrate additional services since guests usually realize only one overnight stay.