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VIENNA, 29 June 2026, the International Commission for the Protection of the Danube River (ICPDR) invites the 79 million people in the 14 Danube countries to take part in Danube Day – this year under the motto: “United by Danube”. On 29 June, communities from the Black Forest to the Black Sea will share celebrations on riverbanks, in parks, and at local venues to honour the Danube River and its vital role in providing water, food, power, recreation, and livelihood.

With just one month to go until Danube Day 2026, preparations are well underway across the Danube River Basin. On 29 June, countries, communities, schools, institutions and organizations throughout the region will come together to celebrate the Danube and the shared responsibility to protect it.

On 29 June 2026, countries across the Danube River Basin will once again come together to celebrate Danube Day, an annual tradition launched by the International Commission for the Protection of the Danube River (ICPDR) in 2004.

The newly launched Danube Hydrological Information System (DanubeHIS) offers near real-time and validated long-term hydrological and meteorological data for the entire Danube basin. This system is instrumental in enhancing flood risk management and supporting water-related scientific research. Explore this valuable resource and its near real-time data capabilities to better understand and manage the complexities of the Danube basin.

VIENNA, 29 June 2023 – The International Commission for the Protection of the Danube River is delighted to announce the highly anticipated 2023 Danube Day festivities.

The Danube River flows into the Black Sea at the Danube Delta, making the Black Sea the receiving sea for the Danube's water. A receiving sea refers to the body of water into which a river or other watercourse empties its flow. In this context, the Black Sea serves as the final destination for the waters of the Danube River.

VIENNA, 29 June – A range of events and activities are taking place in the 14 Danube River Basin countries to mark the 2022 Danube Day. Due to the easing of many COVID-19 restrictions, the International Commission for the Protection of the Danube River (ICPDR) is delighted that they can celebrate the day with activities to #DiscoverDanube again this year.