The aim of this research was to examine the relationship between the frequency of sports betting, thrill seeking and problem gambling among students in Zagreb and to investigate their motivation for gambling. The analysis, taking into account the criteria that the participants are students and that they played sports betting at least once in their life, was conducted on 226 participants. The average age of the participants is 21 years and 9 months. With regard to gender, 181 (80.1%) male and 43 (19%) female participants participated in the study. Data were collected through an online questionnaire consisting of the Gambling Activities Questionnaire, the Gambling Motivation Checklist, the Problem Gambling Severity Index, the Sensation Seeking Scale, and sociodemographic questions. The results showed that more than half of the students have experience participating in games of chance, and the most common games of chance are one-time games of chance, followed by lotto tickets and sports betting. Differences with regard to gender were determined, that is, male students bet significantly more often than female students. The results showed that the contribution of the motivation for sports betting proved to be significant in explaining the frequency of sports betting, where the motive to be as good as possible was the best predictor. The predictors of motivation for sports betting, thrill seeking and frequency of sports betting were found to be significant in explaining problem gambling, with frequency of sports betting being the best predictor. Motives because it relaxes me and to be better at it proved to be the best predictors of problem gaming.