Hyllus (river)

Hyllus or Hyllos (Greek: Ὕλλος) was the ancient name of a river of Asia Minor. It is a tributary of the river Hermus, in Lydia, flowing into Hermus from the north.^[1] In the time of Strabo, the river was called Phrygius.^[2] Today's Turkish name is Kum Çayı.^[3]