serbian
The main language spoken in Serbia is Serbian because it is the national language, however the different nationalities that live there speak their own languages.
The predominant language spoken in Serbia is Serbian.
Yes, English is spoken in Serbia, but it is not the official language.
The primary language spoken in Serbia is Serbian.
The main language spoken in Amsterdam is Dutch.
The main language spoken in Bali is Balinese.
The main language spoken in Portugal is Portuguese.
The main language spoken in the Netherlands is Dutch.
The main language spoken in Athens is Greek.
The main language spoken in Caracas is Spanish.
The French language is spoken frequently in Romania.