Hellenistic Greece and Macedonia fell to the Roman Empire in 146 BC.
The Jews living in Roman Greece had a different experience than those of Judaea Province.
The New Testament describes Greek Jews as a separate community from the Jews of Judaea, and the Jews of Greece did not participate in the First Jewish-Roman War or later conflicts.
The Jews of Thessaloniki, speaking a dialect of Greek, and living a Hellenized existence, were joined by a new Jewish colony in the 1st century AD.
The Jews of Thessaloniki "enjoyed wide autonomy" in Roman times.

Originally a persecutor of the early Jewish Christians until his conversion on the Road to Damascus, Paul of Tarsus, himself a Hellenized Jew from Tarsus, part of the post-Alexander the Great Greek Seleucid Empire, was instrumental in the founding of many Christian churches throughout Rome, including Asia Minor and Greece.
Paul's second missionary journey included proselytizing at Thessaloniki's synagogue until driven out of the city by its Jewish community.
Hellenistic Greece and Macedonia fell to the Roman Empire in 146 BC. The Jews living in Roman Greece had a different experience than those of Judaea Province. The New Testament describes Greek Jews as a separate community from the Jews of Judaea, and the Jews of Greece did not participate in the First Jewish-Roman War or later conflicts. The Jews of Thessaloniki, speaking a dialect of Greek, and living a Hellenized existence, were joined by a new Jewish colony in the 1st century AD. The Jews of Thessaloniki "enjoyed wide autonomy" in Roman times.
Originally a persecutor of the early Jewish Christians until his conversion on the Road to Damascus, Paul of Tarsus, himself a Hellenized Jew from Tarsus, part of the post-Alexander the Great Greek Seleucid Empire, was instrumental in the founding of many Christian churches throughout Rome, including Asia Minor and Greece. Paul's second missionary journey included proselytizing at Thessaloniki's synagogue until driven out of the city by its Jewish community.
History of the Jews in Greece