This thesis is dedicated to exploring the possibilities of sustainable tourism development in Brela, a picturesque tourist destination located on the Croatian coast of the Adriatic Sea. The theoretical framework encompasses the historical development of tourism, principles of sustainable tourism, and the development strategy until 2030 in the Republic of Croatia. Through the analysis of best practice examples, such as Copenhagen with a focus on eco-tourism, as well as the Kvarner region, the thesis describes Brela's potential in the context of global sustainable tourism trends. The historical development of Brela is examined, including prehistory, the Roman era, the Middle Ages, and the modern era, all to emphasize the cultural heritage of the destination. An analysis of the current state of tourism in Brela includes an interview with the municipality's mayor, surveys among the local population, and systematic research. The research results and their discussion provide insights into the current challenges and opportunities the destination faces in achieving sustainability. The conclusion summarizes the key findings, emphasizing the importance of aligning with the fundamental guidelines of sustainable tourism to ensure the long-term prosperity of Brela. The thesis concludes with recommendations for further research and specific steps towards implementing sustainable practices in the destination's tourism sector.