Thessalonica

Boyd’s Bible Dictionary:

Ancient Thermae, “hot springs;” now Salonika
Enlarged by Cassander and called Thessalonica after his wife, daughter of Alexander the Great. An important city of Macedonia, at the head of the Gulf of Thessalonica, or Thermae. Paul visited it during his second tour and founded a strong church there, to whose members he wrote two epistles (Acts 17:1-91Now when they had passed through Amphipolis and Apollonia, they came to Thessalonica, where was a synagogue of the Jews: 2And Paul, as his manner was, went in unto them, and three sabbath days reasoned with them out of the scriptures, 3Opening and alleging, that Christ must needs have suffered, and risen again from the dead; and that this Jesus, whom I preach unto you, is Christ. 4And some of them believed, and consorted with Paul and Silas; and of the devout Greeks a great multitude, and of the chief women not a few. 5But the Jews which believed not, moved with envy, took unto them certain lewd fellows of the baser sort, and gathered a company, and set all the city on an uproar, and assaulted the house of Jason, and sought to bring them out to the people. 6And when they found them not, they drew Jason and certain brethren unto the rulers of the city, crying, These that have turned the world upside down are come hither also; 7Whom Jason hath received: and these all do contrary to the decrees of Caesar, saying that there is another king, one Jesus. 8And they troubled the people and the rulers of the city, when they heard these things. 9And when they had taken security of Jason, and of the other, they let them go. (Acts 17:1‑9)).

Concise Bible Dictionary:

Boats in Thessalonica at Sunset
A large and populous city on the sea-coast of Macedonia. Cassander having enlarged it, named it after his wife Thessalonica, the sister of Alexander the Great. Under the Romans it was a city of note, and was eventually made a free city and became the capital of Macedonia. It lay on one of the routes from Rome to the East, and became a great commercial center. This naturally attracted Jews to the place, and they had a synagogue. When Paul had preached there, some Jews and many Greeks believed. It was on Paul’s second and third missionary journeys that he visited them. He wrote the two Epistles to the saints there during his stay at Corinth of a year and a half (Acts 18:1111And he continued there a year and six months, teaching the word of God among them. (Acts 18:11)).
Ancient Catacomb in Thessalonica (Thessaloniki)
Thessaloniki

Strong’s Dictionary of Greek Words:

Number:
2332 (find all occurrences in KJV Bible)
Greek:
Θεσσαλονίκη
Transliteration:
Thessalonike
Phonic:
thes-sal-on-ee’-kay
Meaning:
from Θεσσαλός (a Thessalian) and 3529; Thessalonice, a place in Asia Minor
KJV Usage:
Thessalonica

Jackson’s Dictionary of Scripture Proper Names:

same as Thessalonians

Potts’ Bible Proper Names:

Victory of God:― a place in Asia Minor, Acts 17:1. {Victoria Dei}