This final thesis deals with the position of juvenile workers in the Republic of Croatia and the protection afforded by legislation as it is a particularly vulnerable group of workers. In the first part are analysed relevant legal sources which protects juveniles in employment. After that, the thesis provides insight into the reasons for the special regulation of their work and presents the issue of the lowest employment age both at national and international level. Later, it follows the analysis of the employment of juveniles in terms of jobs that are not allowed for juvenile workers, and the procedures that must be followed in the case of employment on permitted jobs. In that section it is also discussed juvenile's legal capacity to award a work contract. After knowing these aspects, the thesis presents arrangement of juvenile work contracts in terms of working time, right to rest and leisure, termination of employment and safety at work. There is also a question of penalties against employers if they don’t comply with the rules of protection. Finally, this thesis gives insights into some other forms of juvenile work such as student contracts, sports contracts, and participation of children in filmmaking and performing arts and other similar work. In order to get an impression on the implementation of the protection in real life and on the problems juvenile workers encounter on a daily basis, at the end are presented the reports of the Ombudsman for Children on the juvenile work in the Republic of Croatia.