| Kernowek | cor-000 |
| Breten | |
| brezhoneg | bre-000 | Breizh |
| български | bul-000 | Брета́н |
| català | cat-000 | Bretanya |
| čeština | ces-000 | Bretaň |
| 普通话 | cmn-000 | 布列塔尼 |
| 國語 | cmn-001 | 布列塔尼 |
| Middle Cornish | cnx-000 | Breten |
| Cymraeg | cym-000 | Llydaw |
| dansk | dan-000 | Bretagne |
| Deutsch | deu-000 | Bretagne |
| Deutsch | deu-000 | Kleinbritannien |
| ελληνικά | ell-000 | Βρετάνη |
| English | eng-000 | Britain |
| English | eng-000 | Brittany |
| Esperanto | epo-000 | Bretonio |
| suomi | fin-000 | Bretagne |
| français | fra-000 | Bretagne |
| Gàidhlig | gla-000 | A' Bhreatann Bheag |
| Gaeilge | gle-000 | Briotáin |
| yn Ghaelg | glv-000 | Britaan |
| Српскохрватски | hbs-000 | Бретања |
| Srpskohrvatski | hbs-001 | Bretanja |
| magyar | hun-000 | Bretagne |
| արևելահայերեն | hye-000 | Բրետան |
| italiano | ita-000 | Bretagna |
| 日本語 | jpn-000 | ブルターニュ |
| 한국어 | kor-000 | ^브르타뉴 |
| latine | lat-000 | Britannia Minor |
| македонски | mkd-000 | Брета́ња |
| Nederlands | nld-000 | Bretagne |
| occitan | oci-000 | Bretanha |
| Old Cornish | oco-000 | Breten |
| polski | pol-000 | Bretania |
| português | por-000 | Bretanha |
| русский | rus-000 | Брета́нь |
| slovenčina | slk-000 | Bretónsko |
| español | spa-000 | Bretaña |
| svenska | swe-000 | Bretagne |
| Volapük | vol-000 | Bretän |