Apollos goes to Achaia
Apollos went from Ephesus to Achaia and preached there.
Key passages
Ac 18:27–19:1

And when he wanted to cross over to Achaia, the brothers encouraged him and wrote to the disciples to welcome him. When he arrived, he assisted greatly those who had believed through grace. For he was vigorously refuting the Jews in public, demonstrating through the scriptures that the …

See also
1 Co 3:6;
See also