Almopia , or Enotia (Greek: Ενωτία), also known in the Middle Ages as Moglena (Greek: Μογλενά, Macedonian and Bulgarian: Меглен or Мъглен), is a municipality and a former province (επαρχία) of the Pella regional unit in Macedonia, Greece. The seat of the municipality is the town Aridaia. The municipality has an area of 985.817 km2.