| Language | Name | Code |
|---|---|---|
| Aragonese | Postojna | an |
| Arabic | بوستوينا | ar |
| Asturian | Postoina | ast |
| Belarusian | Постайна | be |
| be-tarask | Постайна | be-tarask |
| Bulgarian | Постойна | bg |
| Bosnian | Postojna | bs |
| Catalan | Postojna | ca |
| Chechen | Постойна | ce |
| Cebuano | Postojna | ceb |
| Czech | Postojna | cs |
| Welsh | Postojna | cy |
| Danish | Postojna | da |
| German | Postojna | de |
| Modern Greek (1453-) | Ποστόινα | el |
| English | Postojna | en |
| en-ca | Postojna | en-ca |
| en-gb | Postojna | en-gb |
| Esperanto | Postojna | eo |
| Spanish | Postojna | es |
| Estonian | Postojna | et |
| Basque | Postojna | eu |
| Persian | پستینا | fa |
| Finnish | Postojna | fi |
| French | Postojna | fr |
| Galician | Postojna | gl |
| Hebrew | פוסטוינה | he |
| Croatian | Postojna | hr |
| Hungarian | Postojna | hu |
| Indonesian | Postojna | id |
| Italian | Postumia | it |
| Japanese | ポストイナ | ja |
| Korean | 포스토이나 | ko |
| Latin | Arae Postumiae | la |
| Lithuanian | Postoina | lt |
| mdf | Постойна | mdf |
| Macedonian | Постојна | mk |
| Norwegian Bokmål | Postojna | nb |
| Dutch | Postojna | nl |
| Occitan (post 1500) | Postojna | oc |
| Polish | Postojna | pl |
| Portuguese | Postojna | pt |
| pt-br | Postojna | pt-br |
| Romanian | Postojna | ro |
| Russian | Постойна | ru |
| sh | Postojna | sh |
| Slovak | Postojna | sk |
| Slovenian | Postojna | sl |
| Albanian | Postojna | sq |
| Serbian | Постојна | sr |
| Swedish | Postojna | sv |
| Thai | ปอสโตยนา | th |
| Turkish | Postojna | tr |
| Tatar | Постойна | tt |
| Ukrainian | Постойна | uk |
| Urdu | پوستوینا | ur |
| Vietnamese | Postojna | vi |
| Chinese | 波斯托伊納 | zh |
| zh-hans | 波斯托伊纳 | zh-hans |