| Esperanto | epo-000 |
| Oldenburgo | |
| العربية | arb-000 | أولدنبورغ |
| bălgarski ezik | bul-001 | Oldenburg |
| 普通话 | cmn-000 | 奥尔登堡 |
| Hànyǔ | cmn-003 | Àoěrdengbǎo |
| dansk | dan-000 | Oldenburg |
| Deutsch | deu-000 | Oldenburg |
| eesti | ekk-000 | Oldenburg |
| English | eng-000 | Oldenburg |
| suomi | fin-000 | Oldenburg |
| français | fra-000 | Oldenbourg |
| íslenska | isl-000 | Aldinborg |
| italiano | ita-000 | Oldenburg |
| 日本語 | jpn-000 | オルデンブルク |
| Nihongo | jpn-001 | Orudemburuku |
| ქართული | kat-000 | ოლდენბურგი |
| Kartuli | kat-001 | oldenburgi |
| 한국어 | kor-000 | 올덴부르크 |
| Hangungmal | kor-001 | Oldenbureukeu |
| lengua lumbarda | lmo-000 | Oldenburg |
| Plattdüütsch | nds-000 | Ollnborg |
| Nederlands | nld-000 | Oldenburg |
| nynorsk | nno-000 | Byen Oldenburg |
| bokmål | nob-000 | Oldenburg |
| polski | pol-000 | Oldenburg |
| português | por-000 | Oldemburgo |
| română | ron-000 | Oldenburg |
| русский | rus-000 | Ольденбург |
| russkij | rus-001 | Ol'denburg |
| Scots leid | sco-000 | Ollnborg |
| español | spa-000 | Oldenburgo |
| српски | srp-000 | Олденбург |
| srpski | srp-001 | Oldenburg |
| svenska | swe-000 | Oldenburg |
| Volapük | vol-000 | Oldenburg |