Related Clues:
- Russia river
- Orenburg is on it
- ''Anna and the King'' country
- Eurasian boundary river
- River with a sturgeon population
- The Ilek is one of its tributaries
- ___ Mountains (they divide Europe and Asia)
- ___ Mountains (Asia/Europe separator)
- 'The Bridge on the River Kwai' setting
- Asian border range
- Territory east of Ukraine on a Risk board
- Europe-Asia border river
- Mountains through Russia
- 'Anna and the King of --'
- ___ Mountains (range that separates Europe and Asia)