PL
Media concentration is a process which progresses around the world. Many countries within the European Union introduced regulations restricting the processes of concentration, but they are insufficient. The article presents the basic forms of media concentration and ownership, and the influence of media concentration on the local media market in Poland. The article shows the risks and benefits of media concentration in a local media system. Media concentration on the local media market in Poland is one of the topics in the author’s doctoral dissertation. This article goes beyond information contained within the doctoral dissertation and it is the starting point for further research about media concentration in Poland.