Albert Barnes' Notes on the Whole Bible - Acts 19:1
While Apollos was at Corinth - It is probable that he remained there a considerable time.Paul, having passed through the upper coasts - The upper, or more elevated regions of Asia Minor. The writer refers here particularly to the provinces of Phrygia and Galatia, Acts 18:23. These regions were called upper, because they were situated on the high table-land in the interior of Asia Minor, while Ephesus was in the low maritime regions, and called the low country.Came to Ephesus - Agreeably to his... read more
The Pulpit Commentary - Acts 19:1-20
The advance. The founding of a Church at Ephesus, the capital city of Proconsular Asia—a great center of Greek and Asiatic life, civil, religious, and commercial, the seat of the famous temple of Artemis, the place of concourse of all Ionia for its celebrated games—is one of those great epochs in the history of Christianity which arrest the attention and demand the consideration of the Christian reader. Not above two years (if so much) had elapsed since the Holy Ghost had expressly... read more