Ἀραβία, Ἀραβίας, ἡ (from Herodotus down), Arabia, a well-known peninsula of Asia, lying toward Africa, and bounded by Egypt, Palestine, Syria, Mesopotamia, Babylonia, the Gulf of Arabia, the Persian Gulf, the Red Sea (and the Ocean): Galatians 1:17; Galatians 4:25.
Galatians 1:17 - N-AFS GRK:ἀπῆλθον εἰς Ἀραβίαν καὶ πάλιν NAS: me; but I went away to Arabia, and returned KJV: I went into Arabia, and returned INT: I went away into Arabia and again
Galatians 4:25 - N-DFS GRK:ἐν τῇ Ἀραβίᾳ συστοιχεῖ δὲ NAS: Sinai in Arabia and corresponds KJV: Sinai in Arabia, and answereth INT: in Arabia corresponds moreover