Callas
Κάλλας
Callas (Κάλλας), a smaller river on the north coast of Euboea, flowing into the sea near Oreus. (Strab. x. p.445.)
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.