- Aegean, Baltic, Black, Caspian, Mediterranean, North, and/or Norwegian Seas
- Alps and/or Ural Mountains
- Danube, Rhine, Seine, and/or Volga Rivers
- The English Channel and/or the Strait of Gibraltar
Countries that may appear on the quiz: England, Russia, France, Poland, Germany, Sweden, Spain, Turkey, Italy, Greece, Ukraine, and/or Czech Republic
Capitals that may appear on the quiz: London, Berlin, Moscow, Rome, Athens, and/or Madrid
