The main topic of this paper is the potential development of health tourism in Croatia. The main goal is to explore the current state and development potentials of health tourism with a focus on Osijek-Baranja County. The purpose of this paper is to investigate and present the potentials for the development of these types of tourism in Osijek-Baranja County. This final paper discusses and explains health tourism as a segment of specific forms of tourism. It defines and classifies it, as well as explains its origins through historical development. Health tourism represents a complex tourist product that is experiencing an increasing annual growth on a global level, and it is expected to soon become the largest driver of tourist travel in the world. The primary reason for this is the growing number of elderly people, who are the largest users of this form of tourism. Health tourism utilizes natural healing factors and methods of physical and rehabilitation medicine to preserve and improve health and quality of life. Croatia has a rich tradition of health tourism due to its numerous natural healing factors, which represent a significant capital and potential for further development of health tourism and its forms such as medical, spa, or wellness tourism. The purpose of this paper is to present the potential for the development of the mentioned types of tourism, with the starting point or hypothesis being that there are potentials for the development of health tourism in the Osijek-Baranja County, which could improve the overall situation in the county, enhance the quality and standards of living for the population, and place the Osijek-Baranja County on the tourism map of Croatia. The paper also includes a survey conducted among the local population. The survey results show that 91.7% of all respondents agree with the hypothesis that the Osijek-Baranja region has great potential for the development of health tourism, especially in terms of new spas and wellness centers.