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 19:7
They were in all about twelve men for all the men were about twelve, A.V. read more