Romania–Ukraine border

sea between Europe and Asia

The Danube ( ; see also other names) is a river in Europe, the second-longest after the Volga in Russia. It flows through Central and Southeastern Europe, from the Black Forest of Germany south through the Danube Delta in Romania into the Black Sea. A large and historically important river, it was once a frontier of the Roman Empire. In the 21st century, it connects ten European countries, running through their territories or marking a border. Originating in Germany, the Danube flows southeast for , passing through or bordering Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Mo

Ukrainian island in the Black Sea

branch of Danube

Ukrainian region around the town of Hertsa; former county in Moldavia

river in Romania and Hungary

separates the state territories of the two States

case about who would rightfully own the Black Sea islands

village in Tulcea County, Romania

Ukrainian islet