The main theme of this thesis is legal representation and analysis of criminal offence of violation of child's rights. The criminal offence of violation of child's rights is prescribed in article 177 of valid Criminal Code of the Republic of Croatia. Throughout history, this criminal offence had several crucial changes which were a result of increased awareness and sensitivity of society to violence against children. This paper starts with a short historical review to some of the most crucial documents for the protection of the child's rights in order to explain the level of protection which children have. Unfortunately, despite the rights they have, most children are still victims of violence, abuse, and neglect in the environment where they should feel safest. A special attention in this paper is devoted to situations in which parents violate children's rights and to the problem of parental violence against children and its association with the appearance of juvenile delinquency. In this paper are graphically represented and analyzed statistical data on reported, accused, and convicted perpetrators of the criminal offence of violation of child's rights. Furthermore, the results of the research conducted at the Municipal Court in Rijeka are presented in the final part of the paper. Six final judgments pronouncing the defendant guilty for the offence of violation of child’s rights in the period from 2018 to 20 February 2020 are analysed in detail in order to prevail criminological characteristics of perpetrators and victimological conclusions about victims. Moreover, final remarks and conclusions devote a special attention to circumstances related to COVID-19 pandemic as factors that put children at greater risk of abuse.