| Code | Label | Definition |
|---|---|---|
| AT1000 | Danube | |
| AT2000 | Rhine | |
| AT5000 | Elbe | |
| BE_Escaut_BR | Scheldt (Brussels Area) | |
| BE_Escaut_RW | Scheldt | |
| BE_Meuse_RW | Meuse | |
| BE_Rhin_RW | Rhine | |
| BE_Seine_RW | Seine | |
| BEMaas_VL | Meuse | |
| BESchelde_VL | Scheldt in Flanders | |
| BG1000 | Danube Region Basin District | |
| BG2000 | Black Sea Basin District | |
| BG3000 | East Aegean Region Basin District | |
| BG4000 | West Aegean Region Basin | |
| CH10 | Rhine | |
| CH50 | Rhone | |
| CH60 | Po | |
| CH80 | Danube | |
| CH90 | Adige | |
| CY001 | Cyprus | |
| CZ_RB_1000 | Danube | |
| CZ_RB_5000 | Elbe | |
| CZ_RB_6000 | Oder | |
| DE1000 | Danube | |
| DE2000 | Rhine | |
| DE3000 | Ems | |
| DE4000 | Weser | |
| DE5000 | Elbe | |
| DE6000 | Odra | |
| DE7000 | Meuse | |
| DE9500 | Eider | |
| DE9610 | Schlei/Trave | |
| DE9650 | Warnow/Peene | |
| DK1 | Jutland and Funen | |
| DK2 | Zealand | |
| DK3 | Bornholm | |
| DK4 | Vidaa-Krusaa | |
| EE1 | West Estonia | |
| EE2 | East Estonia | |
| EE3 | Gauja | |
| ES010 | Minho | |
| ES014 | Galician Coast | |
| ES015 | Basque County Internal Basins | |
| ES016 | Northern Spain | |
| ES020 | Duero | |
| ES030 | Tagus | |
| ES040 | Guadiana | |
| ES050 | Guadalquivir | |
| ES060 | Andalusia Mediterranean Basins | |
| ES062 | Andalusia Atlantic Basins | |
| ES070 | Segura | |
| ES080 | Jucar | |
| ES091 | Ebro | |
| ES100 | Internal Basins of Catalonia | |
| ES110 | Balearic Islands | |
| ES120 | Gran Canaria | |
| ES122 | Fuerteventura | |
| ES123 | Lanzarote | |
| ES124 | Tenerife | |
| ES125 | La Palma | |
| ES126 | La Gomera | |
| ES127 | El Hierro | |
| ES150 | Ceuta | |
| ES160 | Melilla | |
| FIVHA1 | Vuoksi | |
| FIVHA2 | Kymijoki-Gulf of Finland | |
| FIVHA3 | Kokemäenjoki-Archipelago Sea-Bothnian Sea | |
| FIVHA4 | Oulujoki-Iijoki | |
| FIVHA5 | Kemijoki | |
| FIVHA6 | Tornionjoki (Finnish part) | |
| FIVHA7 | Teno-, Näätämö- and Paatsjoki (Finnish part) | |
| FIWDA | Aland Islands | |
| FRA | Scheldt, Somme and coastal waters of the Channel and the North Sea | |
| FRB1 | Meuse | |
| FRB2 | Sambre | |
| FRC | Rhine | |
| FRD | Rhone and Coastal Mediterranean | |
| FRE | Corsica | |
| FRF | Adour, Garonne, Dordogne, Charente and coastal waters of Aquitania | |
| FRG | Loire, Brittany and Vendee coastal waters | |
| FRH | Seine and Normandy coastal waters | |
| FRI | Guadeloupe | |
| FRJ | Martinique | |
| FRK | Guyana (French) | |
| FRL | Reunion Island | |
| GBNIIENB | Neagh Bann | |
| GBNIIENW | North Western | |
| GBNINE | North Eastern | |
| GNSEA | North Sea | |
| GR01 | Western Peloponnese | |
| GR02 | Northern Peloponnese | |
| GR03 | Eastern Peloponnese | |
| GR04 | Western Sterea Ellada | |
| GR05 | Epirus | |
| GR06 | Attica | |
| GR07 | Eastern Sterea Ellada | |
| GR08 | Thessalia | |
| GR09 | Western Macedonia | |
| GR10 | Central Macedonia | |
| GR11 | Eastern Macedonia | |
| GR12 | Thrace | |
| GR13 | Crete | |
| GR14 | Aegean Islands | |
| HU1000 | Danube | |
| IEEA | Eastern | |
| IEGBNISH | Shannon | |
| IESE | South Eastern | |
| IESW | South Western | |
| IEWE | Western | |
| IS1 | Iceland | |
| ITA | Eastern Alps | |
| ITB | Po Basin | |
| ITC | Northern Appenines | |
| ITD | Serchio | |
| ITE | Middle Appenines | |
| ITF | Southern Appenines | |
| ITG | Sardinia | |
| ITH | Sicily | |
| LT1100 | Nemunas | |
| LT2300 | Venta | |
| LT3400 | Lielupe | |
| LT4500 | Daugava | |
| LU2000 | Rhine | |
| LU7000 | Meuse | |
| LVDUBA | Daugava | |
| LVGUBA | Gauja | |
| LVLUBA | Lielupe | |
| LVVUBA | Venta | |
| MTMalta | Malta | |
| NLEM | Ems | |
| NLMS | Meuse | |
| NLRN | Rhine | |
| NLSC | Scheldt | |
| NO1101 | Moere and Romsdal | |
| NO1102 | Troendelag | |
| NO1103 | Nordland | |
| NO1104 | Troms | |
| NO1105 | Finnmark | |
| NO5101 | Glomma | |
| NO5102 | West Bay | |
| NO5103 | South West | |
| NO5104 | West | |
| NOFIVHA5 | Kemijoki | |
| NOFIVHA6 | Tornionjoen (Finnish part) | |
| NOSE2 | Bothnian Sea | |
| NOSE5 | Skagerrak and Kattegat | |
| NOSEFI1 | Bothnian Bay | |
| PL1000 | Danube | |
| PL2000 | Vistula | |
| PL3000 | Swieza | |
| PL4000 | Jarft | |
| PL5000 | Elbe | |
| PL6000 | Odra | |
| PL6700 | Ucker | |
| PL7000 | Pregolya | |
| PL8000 | Nemunas | |
| PL9000 | Dniestr | |
| PTRH1 | Minho and Lima | |
| PTRH10 | Madeira | |
| PTRH2 | Cavado, Ave and Leca | |
| PTRH3 | Douro | |
| PTRH4 | Vouga, Mondego and Lis | |
| PTRH5 | Tagus and Western Basins | |
| PTRH6 | Sado and Mira | |
| PTRH7 | Guadiana | |
| PTRH8 | Algarve Basins | |
| PTRH9 | Azores | |
| RO1000 | Danube | |
| SE1 | Bothnian Bay | |
| SE2 | Bothnian Sea | |
| SE3 | North Baltic | |
| SE4 | South Baltic | |
| SE5 | Skagerrak and Kattegat | |
| SENO1102 | Troendelag | |
| SENO1103 | Nordland | |
| SENO1104 | Troms | |
| SENO5101 | Glomma | |
| SI_RBD_1 | Danube | |
| SI_RBD_2 | North Adriatic | |
| SK30000 | Vistula | |
| SK40000 | Danube | |
| UK01 | Scotland | |
| UK02 | Solway Tweed | |
| UK03 | Northumbria | |
| UK04 | Humber | |
| UK05 | Anglian | |
| UK06 | Thames | |
| UK07 | South East | |
| UK08 | South West | |
| UK09 | Severn | |
| UK10 | Western Wales | |
| UK11 | Dee | |
| UK12 | North West | |
| UKGI17 | Gibraltar | |
| UKIEGBNISH | Shannon |
European Environment Agency
Kgs. Nytorv 6, DK-1050 Copenhagen K, Denmark