The International Carnival of Vrnjci is a manifestation that has been organized for 15 years in Vrnjačka Banja. As a manifestation that gathers a large number of tourists and visitors, besides its positive impacts, attention should be paid to the level of satisfaction of the local population in Vrnjačka Banja with this manifestation, which is the aim of this paper. In addition, the paper examines the existence of a statistically significant difference in the level of local population's satisfaction with this manifestation depending on their different socio-demographic characteristics. A survey method was applied to a sample of 300 respondents. Descriptive statistical analysis, independent sample t-test and one-factor analysis of variance (ANOVA) were used to process the collected responses. The results of the research showed that there is a statistically significant difference in the level of satisfaction with the Carnival of Vrnjci between respondents of different gender, as well as that the level of satisfaction of the respondents influenced by professional status, length of residence in Vrnjacka Banja and the connection between the respondent's job and tourism.