The importance of health tourism, which has become popular in the service sector in recent years, is increas- ing day by day, especially in economic terms. The need to receive health services is shaped in line with the ever-changing demands and needs of individuals and changes with technological advances. In Turkey, one of the developing countries, health tourism is a developing sector. In this context, the aim of the study is to investigate the factors affecting the health service demand of Nakhchivan citizens who come to Erzurum to receive health services. As of the period of the survey used in the research, about 34% of the individuals came to Erzurum for the first time, 37% 2-4 times, and 30% came 5 times or more to receive health services. The study is based on investigating the frequency of health service demand and the factors affecting this frequen- cy with ordinal logistic regression analysis. In the study, it has been determined that the variables of age, job status, income, preference of health institutions in Erzurum, price of health services, time spent in applica - tion and registration procedures, doctor and nurse services, accommodation and hospital fees, preference of health services in Erzurum due to country, culture and language proximity. According to the estimated model results, individuals who do not prefer health services in Erzurum because of proximity to the country are 17.4% less likely to request health services for the first time than those who prefer them because of proximity to the country. Persons with an accommodation fee of ₼151-250 and 251-400 ₼ are 13.7% and 16.5% less likely to re- quest healthcare services for the first time than those with an accommodation fee of ₼50 and below. Persons with a hospital fee of 51-150 ₼ are 13.5% less likely to request health services for the first time than those with a hospital fee of 50 ₼ and below.