This graduate thesis investigates the key role of construction infrastructure in the development of tourism on the example of the city of Opatija. Through the analysis of geographical location, urban factors, tourist resources and events, and historical tourism, the research focuses on the importance of infrastructure projects for the attractiveness and competitiveness of the destination. Analyzing hotel accommodation, projects under construction, spatial plans and the importance of tourist infrastructure, the research provides insight into the ways in which Opatija uses its construction resources to meet the needs of tourists throughout the year. The focus is on striking a balance between preserving cultural heritage and adapting to modern trends. Through the conclusion, the importance of constant investment in the development and maintenance of construction infrastructure is emphasized in order for Opatija to maintain its status as an attractive tourist destination and stimulate the economic development of the local community. The thesis provides a foundation for further research on the impact of construction infrastructure on tourism and suggests the need for continuous monitoring and adaptation of urban plans and projects to ensure the sustainability and competitiveness of the destination.