Lewis Short
Arbēla (noun N) : Ἄρβηλα.
* A town in Adiabene, a province of Assyria, now Arbil. Between this town and Gaugamela, Alexander the Great defeated Darius, Curt. 4, 9; 5, 1; Amm. 23, 6. In Plin. 37, 10, 55, § 149, it designates the region of Arbela.
* A town in Sicily, Sil. 14, 272, where MSS. also give Arabela.
Charlton T. Lewis, Charles Short, A Latin Dictionary