The eloquent preacher Apollos was a native of which city?

Answer: Alexandria

Apollos, a native of Alexandria, was well versed in the Scriptures; Priscilla and Aquila explained the way of God to him more accurately.

“Meanwhile a Jew named Apollos, a native of Alexandria, came to Ephesus. He was an eloquent man, well versed in the Scriptures.”— Acts 18:24 (BSB)