| Nedersaksisch | nds-001 |
| Sleeswiek | |
| toskërishte | als-000 | Sliasvigu |
| dansk | dan-000 | Slesvig by |
| Deutsch | deu-000 | Schleswig |
| ελληνικά | ell-000 | Σλέσβιχ |
| English | eng-000 | Schleswig |
| Esperanto | epo-000 | Schleswig |
| français | fra-000 | Schleswig |
| italiano | ita-000 | Schleswig |
| latine | lat-000 | Sliasvig |
| Plattdüütsch | nds-000 | Sleswig |
| Nederlands | nld-000 | Sleeswijk |
| nynorsk | nno-000 | Schleswig |
| bokmål | nob-000 | Slesvig |
| polski | pol-000 | Szlezwik |
| română | ron-000 | Schleswig |
| русский | rus-000 | Шлезвиг |
| svenska | swe-000 | Schleswig |
| Türkçe | tur-000 | Schleswig |
| Volapük | vol-000 | Schleswig |