Ἀδρίου (Adriou)
Ἀδρίου is an Ancient Greek form of Ἄδριον, meaning “Adrium — a mountain range running through Dalmatia”. It is the genitive singular neuter noun or adjective.
Found 30 times in the Ancient Greek texts on Socratos.
Where it is used
Agathemerus, Geographiae informatio 3.8: Ἔστι δὲ ἡ μεγάλη Σύρτις σταδίων ͵ε, ἡ δὲ μικρὰ σταδίων ͵αχʹ, τὸ δὲ στόμα τοῦ Ἀδρίου, ὃ καλοῦσί τινες Ἰόνιον πέλαγος, ἔχει διάπλουν σταδίων ψʹ ἀπὸ ἄκρας Ἰαπυγίας ἐπὶ Κεραύνια ὄρη τῆς Ἠπείρου.
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.