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MAR NEGRO
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RÍO LOIRA
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FRANCIA
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MAR DEL NORTE
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PORTUGAL
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LUXEMBURGO
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ALEMANIA
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MONTES ESCANDINAVOS
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POLONIA
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ALPES
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RÍO VOLGA
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MONTES URALES
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MAR MEDITERRÁNEO
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FINLANDIA
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RÍO PO
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RÍO RHIN
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RÍO SENA
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ITALIA
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GRECIA
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REINO UNIDO
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LOS BALCANES
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DINAMARCA
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PIRINEOS
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RÍO DANUBIO