Hydriacus
Ὑδριακός
Hydriacus (Ὑδριακός), a small stream which ran into the sea along the coast of Gedrosia, which is mentioned by name by Marcian (p. 22) and Ptolemy (6.8.8).
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.