| polski | pol-000 |
| Regen | |
| čeština | ces-000 | Řezná |
| Deutsch | deu-000 | Regen |
| English | eng-000 | Regen |
| English | eng-000 | Regen River |
| Esperanto | epo-000 | Regen |
| français | fra-000 | Regen |
| italiano | ita-000 | Regen |
| lietuvių | lit-000 | Regenas |
| lengua lumbarda | lmo-000 | Regen |
| Nederlands | nld-000 | Regen |
| nynorsk | nno-000 | Regen |
| română | ron-000 | Regen |
| русский | rus-000 | Реген |
| Türkçe | tur-000 | Regen Nehri |
| Volapük | vol-000 | Regen |