Information and attitudes of parents about vaccination of children in the area of Međimurje County Vaccination is a very effective preventive measure in the fight against infectious diseases. Objective: The aim of the research is to examine the awareness and attitudes of parents about the vaccination of children. Methods: Participants in the research are mothers and fathers of children from the Međimurje County. The research was carried out using self-generated questionnaire, based on the examples from some similar research. The first part of the questionnaire consists of the questions about gender, age, level of education, work status, socioeconomic and marital status, number of children and the decision to vaccinate. The second part of the questionnaire examines the parents' attitude through 10 statements in the form of the Likert scale, where each respondent indicated the degree of agreement with the said statements by numbers 1-5. Participants completed the questionnaire anonymously and voluntarily. Results: Most respondents support the vaccination of children. There is a high percentage of those who regularly vaccinate children 154 (96.3%). As information sources they use doctors, paediatricians, visiting nurses and less frequently internet. They believe in the effectiveness and safety of the vaccine. There is no significant difference in attitudes regarding gender and age. The respondents of lower education level believe that vaccination should be voluntary. There is no significant difference in attitude with regard to socioeconomic status of respondents. Conclusion: The research has shown a high percentage of parents in the Međimurje County that vaccinate their children and support vaccination. There are no significant differences in attitudes regarding gender and socioeconomic status. All respondents are well informed about vaccination.