What is "aoos"

The Aoös or Vjosë (; , Vjosa) is a river in northwestern Greece and southwestern Albania. Its total length is about , of which the first are in Greece, and the remaining are in Albania. It is fed by several tributaries, such as the Voidomatis, Sarantaporos, Drino and Shushicë.

The Aoös' source is in Greece, specifically in the Pindus mountains in Epirus, near the village of Vovousa. An artificial lake has been constructed at an altitude of 1350 meters, and there is a hydroelectric dam in place since 1987. It flows through the Vikos–Aoös National Park, where it forms towering canyons and then flows through the town of Konitsa, where it is joined by the Voidomatis. It enters Albania near Çarshovë, where it is joined by the Sarantaporos. and then continues northwest through Përmet, Këlcyrë, Tepelenë (where it is joined by the Drino), Memaliaj, Selenicë and Novoselë. It then flows into the Adriatic Sea, northwest of Vlorë.