The 2023 Danube Water Conference “Navigating Changing Waters: New ways to overcome emerging challenges of the water sector in the Danube region” was held on 31 May to 2 June, 2023 in Vienna, Austria. It is organised by the Danube Water Program, run by IAWD and the World Bank, and co-funded by the Austrian Government. Water professionals from the Danube region gather to share good practices and discuss challenges of the region’s water sector. Mozaika presented a poster entitled “Water Recourses Management of the Danube with ISME-HYDRO” that featured ISME-HYDRO’s main features, the use case on the Bulgarian segment of the Danube and the plans conduct business development world wide. We enjoyed three days of great athmosphere, interesthing encounters and insightful content and conversations.