Hyllus
Ὕλλος
Hyllus (Ὕλλος), a tributary of the river Hermus, in Lydia, flowing into it from the north. (Hom. Il. 20.392; Hdt. 1.80; Plin. Nat. 5.31.) In the time of Strabo (xiii. p.626) this river was called Phrygius.
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.