| русский | rus-000 |
| Гельголанд | |
| Afrikaans | afr-000 | Helgoland |
| català | cat-000 | Heligoland |
| čeština | ces-000 | Helgoland |
| 普通话 | cmn-000 | 黑尔戈兰岛 |
| dansk | dan-000 | Helgoland |
| Deutsch | deu-000 | Helgoland |
| eesti | ekk-000 | Helgoland |
| ελληνικά | ell-000 | Χέλγκολαντ |
| English | eng-000 | Helgoland |
| English | eng-000 | Heligoland |
| Esperanto | epo-000 | Helgoland |
| suomi | fin-000 | Helgoland |
| français | fra-000 | Heligoland |
| Frysk | fry-000 | Helgolân |
| italiano | ita-000 | Helgoland |
| 日本語 | jpn-000 | ヘルゴラント島 |
| 한국어 | kor-000 | 헬골란트 섬 |
| latine | lat-000 | Terra Sacra |
| Plattdüütsch | nds-000 | Helgoland |
| Nedersaksisch | nds-001 | Hellegolaand |
| Nederlands | nld-000 | Helgoland |
| nynorsk | nno-000 | Helgoland |
| bokmål | nob-000 | Helgoland |
| polski | pol-000 | Helgoland |
| português | por-000 | Helgoland |
| română | ron-000 | Helgoland |
| español | spa-000 | Heligoland |
| svenska | swe-000 | Helgoland |
| Kiswahili | swh-000 | Helgoland |
| Türkçe | tur-000 | Helgoland |
| українська | ukr-000 | Гельголанд |
| Volapük | vol-000 | Helgoland |