Hippias
4. Of Delos, a Greek grammarian, probably of a later date than the preceding one, is mentioned as the author of a sort of geographical dictionary (ἐθνῶν ὀνομασίαι, Schol. ad Apollon. Rhod. iii. 1178, Eudoc. p. 248; Eustath. ad Dionys. Perieg. 270), but is otherwise unknown.
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. 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.