1) Paul left Athens and went to Corinth after having little success preaching in Athens.
2) Corinth was known for its commerce, extravagance, and immorality being centered around the worship of Aphrodite.
3) In Corinth, Paul lived and worked with Aquila and Priscilla, likely leading them to faith, and reasoned in the synagogue every Sabbath, preaching that Jesus was the Christ.