The aim of the article is to analyze NATO’s activities in ensuring security in the Mediterranean and the importance of this basin for security in the region and outside. Therefore, the main research problem in this article boils down to the question: how is the activity of the North Atlantic Alliance in the Mediterranean, and what role does this basin play in the regional and global security systems? The article indicates the multifaceted importance of the Mediterranean Sea for NATO, key challenges and threats generated in this region, as well as actions taken by the Alliance to build safety in this area. During the conducted research, theoretical methods were used primarily, i.e., source analysis, synthesis, abstraction or generalization. Research was carried out based on scientific articles, monographs and websites, in particular the official website of the North Atlantic Alliance. In the course of research, an institutional and legal analysis method was also used, involving the analysis of normative documents issued by NATO.
