The paper discusse devent tourism and destination development on the example of the city of Rovinj. First, tourism was defined, and its contemporary features, and then the tourist destination and its tourist system, and attractions as part of the tourist destination system. Further more, there was talk about event tourism, its typesandim pacts on the development of destination tourism, events as tourist products, tourist attractions and their effects, with special reference to the branding, image and competitiveness of the destination. The paper also presents examples of world events that influenced the development of the destination: the World Cup, the Olympic Games, the Carnival in Brazil, Animafest Zagreb, and explained the impact of theCovid 19 pandemic on the development of tourism events. The central part of the paper is the processing of tourism events in the development of the destination, on thee xample of the city of Rovinj, located in Istria, in the Republic of Croatia, so first explains tourism events in Croatia, then tourism events in Istria, and then tourism events in Rovinj. The geographical position of Rovinj, the development of tourism, the impactof events on the development of tourism in Rovinj, examples of events as tourist attractions that affectthe development of Rovinj are described: Ethno Film Festival, Rovinj Jazz Festival, Communication Days, Routes of Rovinj delicacies - eno-gastronomic event, the Night of St. Lawrence, and the event "Batana procession withl anternsand dinnerin the space". This is followed by a critical review of the impact of tourism events on the tourist development of the destination.