Related Clues:
- Less conventional
- Czech-German river
- Baltic-feeding waterway
- Poland-Germany border river
- Czech Republic river
- River forming the eastern border of Charlemagne's empire
- River dividing Germany and Poland
- The Szczecin Lagoon is an extension of its mouth
- River through the Czech Republic
- Wroclaw's river
- Hamburger's course?
- River of Saxony
- Hamburgers are near its mouth
- River through Silesia
- River of Poland