WMO Basins and Sub-Basins - Europe
| WMOBB | WMOBB_NAME |
|---|---|
| 601 | Iceland |
| 602 | SHANNON |
| 603 | Ireland (ex 602) |
| 604 | North Atlantic (ex 109, 116, 309, 311, 313, 444, 447, 448, 603, 608) |
| 605 | North Sea (ex 606, 629, 633, 634, 638) |
| 606 | North Sea (ex 606, 629, 633, 634, 638) |
| 607 | English Channel (ex 618) |
| 608 | North Atlantic (ex 109, 116, 309, 311, 313, 444, 447, 448, 603, 604) |
| 609 | SEVERN |
| 610 | Bay of Biscay (ex 619) |
| 611 | MINO (also MINHO) and LIMA (also LIMIA) |
| 612 | DOURO (also DUERO) |
| 613 | TAGUS |
| 614 | Iberian peninsula (ex 615) |
| 615 | Iberian peninsula (ex 614) |
| 616 | GUADIANA |
| 617 | GUADALQUIVIR |
| 618 | English Channel (ex 607) |
| 619 | Bay of Biscay (ex 610) |
| 620 | SCHELDE (also ESCAUT) |
| 621 | MAAS (also MEUSE) |
| 622 | SEINE |
| 623 | LOIRE |
| 624 | DORDOGNE |
| 625 | GARONNE (also RIO GARONA) |
| 626 | EBRO |
| 627 | Mediterranean Sea (ex 104, 161, 628, 691, 693) |
| 628 | Mediterranean Sea (ex 104, 161, 627, 691, 693) |
| 629 | North Sea (ex 605, 606, 633, 634, 638) |
| 630 | Barents Sea (ex 670, 671) |
| 631 | Norwegian Sea |
| 632 | TORNEALVEN (also TORNIONJOKI, also TORNIONVAYLA) |
| 633 | Baltic Sea (ex 641, 654, 656, 672, 673) |
| 634 | Jutland, Zealand, Funen |
| 635 | RHINE (ex 636) |
| 636 | MOSELLE |
| 637 | WESER |
| 638 | North Sea (ex 605, 606, 629, 633, 634) |
| 639 | RHONE |
| 640 | ELBE |
| 641 | Baltic Sea (ex 633, 654, 656, 672, 673) |
| 642 | DANUBE (ex 643, 644, 645, 646, 647) |
| 643 | INN |
| 644 | TISZA (also TISA, also TYSA) |
| 645 | SAVA |
| 646 | DRAVA |
| 647 | VELIKA MORAVA |
| 648 | PO |
| 649 | Adriatic Sea (ex 652, 659, 660) |
| 650 | Corsica and Sardinia |
| 651 | Tyrrhenian Sea, Ligurian Sea |
| 652 | Adriatic Sea (ex 649, 659, 660) |
| 653 | Sicily |
| 654 | Baltic Sea (ex 633, 641, 656, 672, 673) |
| 655 | NEVA |
| 656 | Baltic Sea (ex 633, 641, 654, 672, 673) |
| 657 | ODER |
| 658 | VISTULA |
| 659 | Adriatic Sea (ex 649, 652, 660) |
| 660 | Adriatic Sea (ex 649, 652, 659) |
| 661 | Ionian Sea |
| 662 | Aegean Sea (ex 667) |
| 663 | VARDAR |
| 664 | NESTOS (also MESTA) and STRUMA RIVER |
| 665 | MARITSA RIVER |
| 666 | Black Sea (ex 681 ,682, 683, 687, 688) |
| 667 | Aegean Sea (ex 662) |
| 670 | Barents Sea (ex 630, 671) |
| 671 | Barents Sea (ex 630, 670) |
| 672 | Baltic Sea (ex 633, 641, 654, 656, 673) |
| 673 | Baltic Sea (ex 633, 641, 654, 656, 672) |
| 674 | NEMAN (also NEMUNAS, also NYOMAN) |
| 675 | VOLGA (ex 677) |
| 676 | KAMA |
| 677 | VOLGA (ex 675) |
| 678 | DON |
| 679 | DNIEPER (ex 680) |
| 680 | DNIEPER (ex 679) |
| 681 | Black Sea (ex 666, 682, 683, 687, 688) |
| 682 | Black Sea (ex 666, 681, 683, 687, 688) |
| 683 | Black Sea (ex 666, 681, 682, 687, 688) |
| 684 | Caspian Sea (ex 219, 221, 686, 689) |
| 686 | Caspian Sea (ex 219, 221, 684, 689) |
| 687 | Black Sea (ex 666, 681, 682, 683, 688) |
| 688 | Black Sea (ex 666, 681, 682, 683, 687) |
| 689 | Caspian Sea (ex 219, 221, 684, 686) |
| 690 | KURA and ARAS |
| 691 | Mediterranean Sea (ex 104, 161, 627, 628, 693) |
| 692 | ORONTES |
| 693 | Mediterranean Sea (ex 104, 161, 627, 628, 691) |
| 694 | DEAD SEA |
| 696 | Cyprus |
| 698 | Greenland |