| español | spa-000 |
| istriano | |
| ISO 639-3 | art-001 | ist |
| Glottolog Languoid Names | art-326 | Istriot |
| Glottocode | art-327 | istr1244 |
| Glottolog Primary Key | art-328 | 38856 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 363 |
| English | eng-000 | Istriot |
| français | fra-000 | istriot |