Sports competitions attract an increasing number of visitors from year to year, promote the tourist destination and contribute to the increase of tourism. Sports competitions constantly attract an increasing number of visitors, so this thesis aims to show in what way and to what extent they affect the tourism of the Republic of Croatia. Sports competitions can be defined as an organized competition of sports teams or individual athletes organized and managed by a legal or natural person authorized to organize and manage a sports competition. To a large extent, they affect the tourism of the destination where they are held by increasing consumption, the number of arrivals and overnight stays, and they also affect the recognition of the Republic of Croatia in the world. In the past few years, sports tourism in the Republic of Croatia has become more popular due to the exceptional success of Croatian athletes. Some of the most famous and most visited competitions are football matches, tennis tournaments, car, bicycle and other races. Sport and tourism represent an interaction that is constantly progressing and opening up new opportunities for the development of destinations. The Republic of Croatia, with its rich sports tradition and natural beauty, has significant potential for the further development of sports tourism.