Paul was staying in Corinth at the home of Gaius when he wrote the letter to the Romans.<BR>Paul wrote this letter to Corinth during his three-year visit in Ephesus on his third missionary journey. The two cities sat across from each other on the Aegean Sea. Both were busy and important ports. Titus may have carried this letter from Ephesus to Corinth (2 Corinthians 12:18).