This article is a first endeavor into Polish defense policy matters by Polish Academy of Sciences’ Maritime Law.

Among the signatories of the United Nations Convention on the Law of the Sea (UNCLOS 1982) there are 9 states bordering the Baltic Sea. Presently the friendly relations between those nations render baltic naval operations less important than far seas operations. This is also true with the Polish Navy.The issue of delimitation of maritime borders and establishment of contiguous zone is of utmost importance to Polish national security. Since 1972 there are ongoing negotiations between Republic of Poland and the Kingdom of Denmark regarding contiguous zones. It is the longest running unresolved border dispute in the Baltic Sea area. There is also a degree of controversy surrounding roadstead of Świnoujście and Szczecin ports located in Bay of Pomerania.The article formulates five conclusions of both general and detailed nature regarding the UNCLOS significance for Poland’s national security.