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Objectives. The research aimed to examine the relationship between the different types of adult attachment (secure type, anxious and avoidant type) and relationship satisfaction. Also examined relationship between satisfaction and intimacy, commitment and passion. Sample and setting. The research sample consisted of 120 respondents, university students aged 18 to 26 years (M = 22.54, SD = 1.71). The sample consisted of 97 women and 23 men. Hypotheses. It was hypothesized that a secure adult attachment would be positively related to relationship satisfaction. On the contrary, in the case of anxious and avoidant adult attachment a negative attitude towards relationship satisfaction were assumed. It was hypothesized that intimacy, commitment and passion would be positively related to relationship satisfaction. Statistical analysis. Multiple linear hierarchical regression (stepwise method) was performed to verify the relations between the different types of adult attachment, intimacy, commitment, passion and relationship satisfaction. Results. The research confirmed the relationship between adult attachment and relationship satisfaction, which was one of the main findings. Respondents who showed a secure type of adult attachment were more satisfied in a relationship than those who showed anxious or avoidant behavior. Another important finding was the relation between the love component – intimacy and couple relationship satisfaction. Study limitation. The fact that data were obtained from only one of the partners can be considered as a possible limitation of the study.