The church alluded to in Acts 20:3 is the church at Corinth. Although the Apostle Paul had poured much of himself into that church, the church a Corinth broke his heart repeatedly because of the self-centered, carnal attitudes and the resulting sin in the church. Even as Paul was visiting the churches of Macedonia to collect the offering for the saints in Jerusalem, he was anxious as he awaited news from Titus concerning the spiritual state of the church in Corinth.