Arvanites are people who came from Albania and settled various Greek lands during the Middle Ages. Their language is Arvanitika. They are greatly influenced by the Greek culture. You can find musicCDs featuring Arvanitika songs (many times they are translated to Greek).
... in the United States.
However, because the GBA has no region lockout, European games will work fine on a U.S. GBA unit, and apparently, even a player who knows no Japanese ...