The aim of this thesis is to describe how the problem of corruption in Croatia was represented in the media before and after Croatia became a part of the European Union. The thesis fills a gap in the existing literature regarding descriptive research of media and the lack of descriptive research regarding media representation of corruption in Croatia. The theoretical approach consists of social constructivism, 'What is the problem represented to be' approach by Bacchi and identifying corruption in regard to its determinants (factors). The 'WPR' approach will be filtered through corruption and its determinants, which are identified as: institutional, economic and cultural. With the chosen theoretical approach, qualitative methods are a logical option as a type of research strategy in this thesis. The study is designed as a comparative case of media representation of corruption between two different time frames, before and after Croatia's entry to the EU. The underlying precondition for bettering of Croatian political system would be resolving a cultural issue of a country, and that is corruption. The results show that media representation of corruption in the newspaper Vecernji list present corruption as an economic problem and dependent on institutional solutions, whereas the institutional factors depend on the cultural factors of a country as a whole, such as trust in the political system.