Acts 19:29

19:29 The city was filled with the uproar, and the crowd rushed to the theater together, dragging with them Gaius and Aristarchus, the Macedonians who were Paul’s traveling companions.

Acts 27:2

27:2 We went on board a ship from Adramyttium that was about to sail to various ports along the coast of the province of Asia and put out to sea, accompanied by Aristarchus, a Macedonian from Thessalonica.