| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Greek Sign Language | French Sign Language family | gss | gss | 6,000 | Yes | |||||||||
| Vlax Romani language | 6b Threatened | Indo-European languages | Cyrillic script | rmy | 485,000 | Yes | ||||||||
| Modern Greek | Indo-European languages | Greek alphabet | el | gre (B)$#$ell (T) | ell | 12,000,000 | Yes | |||||||
| Pontic Greek | 6a Vigorous | Indo-European languages | Greek alphabet | pnt | 1,200,000 | Yes | ||||||||
| Urum language | 6b Threatened | Turkic languages | uum[1] | Greek alphabet | uum | 190,000 | Yes |