Valdasus
Valdasus a southern tributary of the Savus, flowing from the mountains of Illyricum, and joining the Savus not far from the town of Basante (Plin. Nat. 3.28, where some read Valdanus or Vadasus); its modern name is Bosna.
From William Smith (ed.), Dictionary of Greek and Roman Geography. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.