Flood risks affect almost 2 billion people worldwide, and climate change and unplanned urbanization will further increase these risks. To better manage the risks and build more resilient communities, the countries of Bulgaria and Romania have taken a leap forward in modernizing their approaches to flood mapping. The World Bank supported both countries to update their national flood hazard and risk maps (FHRM) as part of the drive to implement the second cycle of the EU Floods Directive.