Γλώσσες που μιλούνται στην Ελλάδα!!! Από το BBC

Greece

The vast majority of the 10.7m population of Greece speak Greek, which is the country's official language. The other languages spoken there are Macedonian (called "Slav-Macedonian" in Greece), Albanian, spoken in the centre and the south, Turkish, spoken by Muslim communities around the Aegean, Arumanian and Bulgarian. None of these minority languages has official status.

BBC News Online country profile

for more see --> http://www.bbc.co.uk/languages/european_languages/countries/greece.shtml