European regions relative to the cancer registries analysed
| European areas | Codes |
| Belarus | Belar |
| Czech Republic, Bohemia and Moravia | Boem |
| Denmark | Denm |
| Finland | Finl |
| France, Bas Rhin | Frabr |
| France, Calvados | Fracal |
| France, Doubs | Fradou |
| France, Isère | Fraise |
| France, Somme | Frasom |
| France, Tarn | Fratar |
| Germany, Berlin | Gerest |
| Germany, Saarland | Gersar |
| Iceland | Iceland |
| Ireland, Cork | Eire |
| Italy, Florence | Itafir |
| Italy, Genoa | Itagen |
| Italy, Latina | Italat |
| Italy, Varese | Itavar |
| Italy, Parma | Itapar |
| Italy, Ragusa | Itarag |
| Italy, Romagna | Itafor |
| Italy, Turin | Itator |
| Italy, Trieste | Itatrie |
| Norway | Norw |
| Poland, Lower Silesia | Polsle |
| Poland, Warsaw | Polwar |
| Slovakia | Slovak |
| Slovenia | Sloven |
| Spain, Tarragon | Spatar |
| Spain, Granada | Spagra |
| Spain, Murcia | Spamur |
| Spain, Navarra | Spanav |
| Spain, Zaragoza | Spazar |
| Sweden | Swed |
| UK, England and Wales | Uktot |
| UK, Birmingham | Ukbir |
| UK, Mersey | Ukmer |
| UK, North Western | Ukmanc |
| UK, Oxford | Ukox |
| UK, South Thames | Uksth |
| UK, South Western | Ukswr |
| UK, Yorkshire | Ukyl |
| UK, Scotland | Scotot |
| UK, West Scotland | Scowes |