freshwater ecoregions Europe and Middle East 401 (Freshwater ecoregion) Iceland-Jan Mayen (Palearctic) 402 (Freshwater ecoregion) Northern British Isles (Palearctic) 403 (Freshwater ecoregion) Cantabric Coast-Languedoc (Palearctic) 404 (Freshwater ecoregion) Central and Western Europe (Palearctic) 405 (Freshwater ecoregion) Norwegian Sea Drainages (Palearctic) 406 (Freshwater ecoregion) Northern Baltic Drainages (Palearctic) 407 (Freshwater ecoregion) Barents Sea Drainages (Palearctic) 408 (Freshwater ecoregion) Southern Baltic Lowlands (Palearctic) 409 (Freshwater ecoregion) Lake Onega-Lake Ladoga (Palearctic) 410 (Freshwater ecoregion) Volga-Ural (Palearctic) 411 (Freshwater ecoregion) Western Caspian Drainages (Palearctic) 412 (Freshwater ecoregion) Western Iberia (Palearctic) 413 (Freshwater ecoregion) Southern Iberia (Palearctic) 414 (Freshwater ecoregion) Eastern Iberia (Palearctic) 415 (Freshwater ecoregion) Gulf of Venice Drainages (Palearctic) 416 (Freshwater ecoregion) Italian Peninsula and Islands (Palearctic) 417 (Freshwater ecoregion) Upper Danube (Palearctic) 418 (Freshwater ecoregion) Dniester-Lower Danube (Palearctic) 419 (Freshwater ecoregion) Dalmatia (Palearctic) 420 (Freshwater ecoregion) Southeast Adriatic Drainages (Palearctic) 421 (Freshwater ecoregion) Ionian Drainages (Palearctic) 422 (Freshwater ecoregion) Vardar (Palearctic) 423 (Freshwater ecoregion) Thrace (Palearctic) 424 (Freshwater ecoregion) Aegean Drainages (Palearctic) 425 (Freshwater ecoregion) Dnieper-South Bug (Palearctic) 426 (Freshwater ecoregion) Crimea Peninsula (Palearctic) 427 (Freshwater ecoregion) Don (Palearctic) 428 (Freshwater ecoregion) Kuban (Palearctic) 429 (Freshwater ecoregion) Western Anatolia (Palearctic) 430 (Freshwater ecoregion) Northern Anatolia (Palearctic) 431 (Freshwater ecoregion) Central Anatolia (Palearctic) 432 (Freshwater ecoregion) Southern Anatolia (Palearctic) 433 (Freshwater ecoregion) Western Transcaucasia (Palearctic) 434 (Freshwater ecoregion) Kura-South Caspian Drainages (Palearctic) 435 (Freshwater ecoregion) Sinai (Palearctic) 436 (Freshwater ecoregion) Coastal Levant (Palearctic) 437 (Freshwater ecoregion) Orontes (Palearctic) 438 (Freshwater ecoregion) Jordan River (Palearctic) 439 (Freshwater ecoregion) Southwestern Arabian Coast (Afrotropic) 440 (Freshwater ecoregion) Arabian Interior (Palearctic) 441 (Freshwater ecoregion) Lower Tigris and Euphrates (Palearctic) 442 (Freshwater ecoregion) Upper Tigris and Euphrates (Palearctic) 443 (Freshwater ecoregion) Oman Mountains (Afrotropic) 444 (Freshwater ecoregion) Lake Van (Palearctic) 445 (Freshwater ecoregion) Orumiyeh (Palearctic) 446 (Freshwater ecoregion) Caspian Highlands (Palearctic) 447 (Freshwater ecoregion) Namak (Palearctic) 448 (Freshwater ecoregion) Kavir and Lut Deserts (Palearctic) 449 (Freshwater ecoregion) Esfahan (Palearctic) 450 (Freshwater ecoregion) Turan Plain (Palearctic) 451 (Freshwater ecoregion) Northern Hormuz Drainages (Palearctic) 452 (Freshwater ecoregion) Caspian Marine (Palearctic) 453 (Freshwater ecoregion) Volga Delta-Northern Caspian Drainages (Palearctic)