Illyricum — a country to the north-west of Macedonia, on the eastern shores of the Adriatic, now almost wholly comprehended in Dalmatia, a name formerly given to the southern part of Illyricum (2 Tim. 4:10). It was traversed by Paul in his third missionary journey (Rom. 15:19). It was the farthest district he had reached in preaching the gospel of Christ. This reference to Illyricum is in harmony with Acts 20:2, inasmuch as the apostle’s journey over the parts of Macedonia would bring him to the borders of Illyricum.