| Deutsch | deu-000 |
| Osterode am Harz | |
| English | eng-000 | Osterode am Harz |
| Esperanto | epo-000 | Osterode am Harz |
| français | fra-000 | Osterode am Harz |
| Nederlands | nld-000 | Osterode am Harz |
| polski | pol-000 | Osterode am Harz |
| русский | rus-000 | Остероде |
| Volapük | vol-000 | Osterode am Harz |