The work "European Competition Law with application in Greece and Cyprus" includes a comparative overview of competition law in the UK and the US. The 14 chapters are structured in a way that contributes to a better understanding of the concepts of competition law through a combination of theory and practice. The innovations of the work include the "scheme" (which explains the methodological approach to a competition case), questions and answers, proposed topics for assignments, chapter summaries, the impact of Brexit and the pandemic on competition law. At the end, there are also five suggested practical cases. The work is aimed at undergraduate and postgraduate students of Law and other disciplines, as well as legal professionals.