Acts 19:1

Apollos : a Jewish man from Alexandria who was taught by Aquila and Priscilla

Corinth : a town located on the narrow isthmus connecting the Greek mainland with the Peloponnesus Peninsula to the south
(37° 54´, 22° 52´)

Ephesus : a town in western Asia Minor at the mouth of the Cayster River
(37° 57´, 27° 22´)

Paul : a man from Tarsus who persecuted the church but became a missionary and writer of 13 Epistles

Acts 20:1

Macedonia : a Roman province north of Greece which included 10 Roman colonies (IBD),citizens of the province of Macedonia
(40° 37´, 22° 55´)

Paul : a man from Tarsus who persecuted the church but became a missionary and writer of 13 Epistles

Acts 21:4

Jerusalem : the capital city of Israel,a town; the capital of Israel near the southern border of Benjamin
(31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´); (31° 46´, 35° 14´)

Paul : a man from Tarsus who persecuted the church but became a missionary and writer of 13 Epistles