- This article is about the tribe in Ardai. For the Origo Mundi tribe of the same name, see Vosa (Origo Mundi).
The Vosa originated in northern Nuro at the start of the Migration Period. According to traditional accounts, their ancestors were a group of exiles from Norvea who mixed with other tribes on the Yaric steppe. Later, they joined Albamar's confederacy, and fought against the Solcians at the Battle of Catte and the Siege of Echilon.