2 Corinthians 11:9-12

Achaia : a Roman province located in Greece along the south coast of the Gulf of Corinth
(37° 59´, 23° 44´)

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

2 Corinthians 12:13-18

Titus : a Christian Greek man who accompanied Paul and was left in Crete to settle the churches there