Is used in the New Testament for the whole region of Greece south of Macedonia, including the Peloponnesus, or Morea, and some territory north of the gulf of Corinth, Acts 18:12; 19:21; 1 Corinthians 11:10 . Achaia Proper, however, was a province of Greece, of which Corinth was the capital, and embraced the northwestern part of the Pelopennesus. See GREECE .