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Vienna, 1 July 2025 (Motto am Fluss) - Held every six years, the Joint Danube Survey (JDS) builds on the legacy of its predecessors and brings together experts from across the Danube River Basin and beyond for its implementation. The Survey conducts the most comprehensive scientific analysis of Europe’s second-longest river. Today marks the official launch of the fifth edition of this unique initiative: JDS5.

Paris, 12 June 2025 – As UNESCO celebrates 60 years of global water science and the 50th anniversary of the International Hydrological Programme (IHP), the ICPDR proudly contributed to this international milestone by co-hosting a side event that placed the Joint Danube Survey 5 (JDS5) firmly in the spotlight.

The Joint Danube Survey 5 (JDS5), the world’s most comprehensive investigative surface-water monitoring effort, will officially kick off on 1 July 2025 in Vienna. This large-scale scientific survey will bring together experts from 14 countries to assess the health of the Danube River and its major tributaries.

According to Floods Directive, the Member States shall, at the level of the river basin district or unit of management, prepare flood hazard maps and flood risk maps at the most appropriate scale for the areas identified under Article 5(1).

North Macedonia, officially the Republic of North Macedonia, is a landlocked country in Southeast Europe. Its terrain is mostly rugged, located between the Šar Mountains and Osogovo, which frame the valley of the Vardar River. Three large lakes - Lake Ohrid, Lake Prespa, and Dojran Lake - lie on the southern borders, bisected by the frontiers with Albania and Greece. Ohrid is considered one of the world's oldest lakes and biotopes.