The Danube River has always been a major concern of the great European powers, riparian or non- riparian All the more riparian, small and medium-sized, with low economic, political and military potential, have always sought the most suitable ways and means to preserve the rights related to this important watercourse, given by their geographical and strategic position. Naturally, over the years, the collision of these interests, both economic and political, resulted in various regulations with the declared purpose of establishing a certain order in the multitude of claims, the real purpose being to provide advantages to the strong.

For this reason, agreements, treaties and conventions have almost exclusively covered the navigation regime, access conditions for different categories of ships, taxes, contributions, etc.

The Convention on Cooperation for the Protection and Sustainable Use of the Danube River (Convention for the Protection of the Danube River), signed in Sofia on 29 June 1994, is a turning point for its attitude towards the great river.

In this article we aim at analyzing briefly the cooperation of the signatories of the Convention for the Protection of the Danube, according to the regulations contained in this important document of public international law.