Rest
Acts 18:22
When Paul landed at Caesarea, he went up and greeted the church and then went down to Antioch.
Antioch was the original sending church see Acts 13:1-3 and Acts 15:36 for Paul and his teams.
Notice how Paul and Barnabas wanted to look after and strengthen any new believers they had made out side of Israel.
Background Reading:
Rest between trips 2 and 3
When he landed at Caesarea, he went up and greeted the church and then went down to Antioch.
Acts 18:23 The Following words start Acts Part two - After spending some time in Antioch, Paul set out from there and traveled from place to place throughout the
region of Galatia and Phrygia, strengthening all the disciples.
This is how the next 47 years starts in the life of the early church)