The theme of the paper is Valorisation of Rovinj's cultural heritage through sustainable tourism, and the aim of this paper is to present the possibilities of valorisation of Rovinj's cultural heritage through sustainable tourism. This paper defines the notion of culture and cultural heritage as it is a large part of the work on the cultural heritage and culture of the city of Rovinj. In order to keep the cultural heritage of a city or area rich and preserved, it is essential to develop sustainable development, therefore, in the chapter entitled Sustainable development of cultural heritage, the positive and negative impacts of tourism on the cultural heritage of the city are outlined and sustainable development methods outlined the cultural heritage was protected and preserved.The illustrations and descriptions below show the cultural and natural heritage of Rovinj and explain how the City valorizes cultural heritage through sustainable tourism. It can be said that the city uses its attributes and heritage to educate and entertain tourists as well as its citizens. The problem of the city is that a large number of visitors come and there is overcrowding and noise, which can extinguish the charm of the city, but they still try to maintain events and events that contribute to this charm, and participate in various EU programs that are also committed to maintaining and protecting cultural heritage. The best example of this is the Batana Ecomuseum, often participating in EU programs, collaborating with them and organizing events where people can get acquainted with Rovinj's culture and tradition. Rovinj is most committed to protecting the tradition but also the natural heritage that is protected by introducing certain rules and laws to preserve that heritage. The desire to achieve the sustainability of cultural heritage can also be seen from the projects the museum is working on. They work with various partners on these projects, and their goal is to protect and preserve the cultural heritage of the city.