In the NT not the continent but the Roman province, governed from Ephesus and now western Turkey. It was rich in resources and comprised Syria, Mysia, Lydia, and Caria; Phrygia belonged partly to Asia and partly to Galatia. If Paul's letter to the Galatians was addressed to Churches which he had visited (Antioch, Iconium, Lystra, and Derbe), then it was sent to the south of the area, within the province of Galatia; but Colossae, to which a letter was sent, was in Asia, as also were the seven Churches of Revelation.