Ōrōpus, i, m., = Ὠρωπός,
a town of Boeotia , on the borders of Attica , now Oropo , Cic. Att. 12, 23, 2; Liv. 45, 27; Plin. 4, 7, 11, § 24.
ORO´PUS(ὁ Ὠρωπός, rarely ἡ Ὠρωπός, Paus. 7.11.4; comp. Steph. B. s. v.: Eth. Ὠρώπιος, and according ...
Dictionary of Greek and Roman Geography