The north of the country is inhabited by the Ghegs, who speak the Gheg Albanian dialect, and the south by the Tosks, who speak the Tosk Albanian dialect, which is the basis for the codification of the modern literary language of Albania.
Knowledge of Greek is common among the Tosks. Their community is bi-religious - the majority professes Islam, while Orthodox believers are a minority there.
The Ghegs are also bi-religious, with the majority professing Islam, but a minority group are Catholics.