Epirus ' main river Vjosë is called Aoös in Greek .
The main river flowing through Epirus is the Vjosë ( Aos in Pelasg and Illyrian , the use of vowels for the names is a characteristic , making the difference from the old greek ) , which flows in a northwesterly direction from the Pindus mountains in Greece to its mouth north of the Bay of Vlorë in Albania .
Epirus