Abstract:The intercultural festival Cosmopolis is organized at Kavala town (Greece) the last 8 years. It is estimated that 70 thousands people visit it every year. Lee, Petrick and Crompton (2007) suggest that the organizers of festivals must increase the quality in order to earn mach more visitors. The aim of this research was the creation of a valid and reliable instrument to measure the quality of festival Cosmopolis. Additionally, was evaluated the quality of festival Cosmopolis and was examined the relation among perceived quality, total satisfaction and behavioral intension. Ιn order to achieve the aims of this study, an empirical research with the use of structured questionnaire was performed. The final sample size consists of 326 visitors of festival Cosmopolis. The results show the overcoming of expectation of visitor in the quality area and height level of satisfaction and behavioral intension. Additionally, the results support that the perceived quality and total satisfaction are related with the behavioral intension.