The paper focuses on the concepts of smart mobility, smart cities and smart tourism and their application in the Croatian context. The first part of the paper describes the subject and goal of the research, as well as the methodology and sources of data collection. In the second part of the paper, through theoretical analysis, the definitions and characteristics of smart mobility, smart cities and smart tourism are explained. Below, in the third part of the paper, the application of the concept of smart tourism in the development of tourist destinations and initiatives for the sustainable development of smart tourism are discussed. Special attention is paid to smart tourist experiences and the application of the smart city concept in the development of urban tourism. Also, the concept of smart destinations, their characteristics, dimensions, and technological solutions for destination management are discussed. In the final part of the paper, the implementation of smart mobility solutions in Croatian tourism is investigated, with an emphasis on the shortcomings of the current traffic management system in relation to tourist demand and the potential application of smart mobility solutions in the development of urban tourism. The paper explains the concepts of smart mobility, smart cities and smart tourism, and their application in the development of Croatian tourism through examples of smart destinations and technological solutions for managing tourist traffic.