a branch of the river Hermus in Lydia, Il. 20.392†.
Ὕλλος son of Herakles, who with the two sons of Aigimios led the second Dorian invasion. σὺν θεῶν δέ νιν (= Αἴγιναν) 1αἴσᾳ Ὕλλου τε καὶ Αἰγιμιοῦ Δωριεὺς ἐλθὼν στρατὸς ἐκτίσσατο (I. 9.2)