The Geography of Strabo, Vol. V (Loeb, Jones 1917)

creating the Euripus, about which I have spoken at length, and I have also spoken somewhat about the places lying opposite one another along the mainland and the island on either side of the Euripus—both those inside and those outside. If anything has been left out, I shall now clarify it. First, that which they call the "Hollows" of Euboea are the parts between Aulis and the region of Geraestus; for the coastline curves inward, though as it nears Chalcis it curves outward again toward the mainland.

3. The island was not only called Macris, but also Abantis. At any rate, the poet, although he names Euboea, never calls the people "Euboeans," but always "Abantes":

"And those who held Euboea, the courage-breathing Abantes.
And with him followed the Abantes."

Aristotle says that Thracians set out from the Phocian Aba, settled the island, and named those who held it "Abantes." Others say it was named after a hero, just as Euboea was named after a heroine. Perhaps, just as a certain cave on the coast facing the Aegean—where they say Io gave birth to Epaphus—is called the "Cow's Stall," the island...