acts 17:1 Now when they had passed through Amphipolis and Apollonia, they came to Thessalonica, where was a synagogue of the Jews: - Free Bible Online

      Ac 17:1-15. AT THESSALONICA THE SUCCESS OF PAUL'S PREACHING ENDANGERING HIS LIFE, HE IS DESPATCHED BY NIGHT TO BEREA, WHERE HIS MESSAGE MEETS WITH ENLIGHTENED ACCEPTANCE--A HOSTILE MOVEMENT FROM THESSALONICA OCCASIONS HIS SUDDEN DEPARTURE FROM BEREA--HE ARRIVES AT ATHENS.

      1. when they had passed through Amphipolis--thirty-three miles southwest of Philippi, on the river Strymon, and at the head of the gulf of that name, on the northern coast of the Ægean Sea.
      and Apollonia--about thirty miles southwest of Amphipolis; but the exact site is not known.
      they came to Thessalonica--about thirty-seven miles due west from Apollonia, at the head of the Thermaic (or Thessalonian) Gulf, at the northwestern extremity of the Ægean Sea; the principal and most populous city in Macedonia. "We see at once how appropriate a place it was for one of the starting-points of the Gospel in Europe, and can appreciate the force of what Paul said to the Thessalonians within a few months of his departure from them: "From you, the word of the Lord sounded forth like a trumpet, not only in Macedonia and Achaia, but in every place,"" (1Th 1:8) [HOWSON].
      where was a synagogue of the Jews--implying that (as at Philippi) there was none at Amphipolis and Apollonia.

JFB.