Acts 2 lists residents of Phrygia among the Jewish pilgrims present in Jerusalem at Pentecost who heard the apostles proclaiming the works of God in their own languages.
During Paul's second missionary journey, Paul and his companions traveled through the region of Phrygia and Galatia before being directed toward Mysia and Troas.
Acts later records Paul traveling again through the Galatian region and Phrygia, strengthening the disciples.
Although the New Testament does not always define precise regional boundaries, Phrygia formed part of the important Anatolian setting in which Pauline Christianity expanded.