Original: The district is named after two rivers - the Elbe river forms the western border with Saxony, the Schwarze Elster ("Black Elster") is a tributary of the Elbe and runs through the district.
Simplified: The district is named after two rivers: The Elbe river forms the western border with Saxony. The Schwarze Elster ("Black Elster") is a tributary of the Elbe and runs through the district.