Acts 17:1-4

They traveled on. They went along the Roman military road that crossed Macedonia and Greece to the seaport of Dyrrachium; and resuming at the port of Brundisium on the coast of Italy, continued to Rome itself. Amphipolis was some thirty miles from Philippi (about one day's travel time); Apollonia about thirty miles still farther west; and Thessalonica about twenty-eight miles more. Thessalonica was a rich commercial city, the capital of Macedonia. According to his usual habit. Where there was a Jewish synagogue, this is where Paul began. Here he found people, both Jew and Gentile, who believed in the living God and the Old Testament Scriptures. He would show how the prophets predicted the death and resurrection of the Messiah, and that this proved Jesus to be the Messiah who was to come. Three Sabbath days. This is how long he argued in the synagogue. Some of them were convinced. These were Jews. A large group of Greeks. These were Gentiles who wanted to learn about the God of Israel, and who came to the synagogue regularly, but had not converted to Judaism and been circumcised. And many of the leading women. Wives of the leading citizens, who had much influence. Ramsay thinks the synagogue would have in it: Jews; "Gentiles converted to Judaism"; Greeks [Gentiles]; leading women [mentioned as a climax]. There seemed to be a small number of Jews converted to Christ, plus a large number of Gentiles, some of whom had been idol-worshipers (1 Thessalonians 1:9 and note).