Buddhist Dictionary of Pali Proper Names by G P Malalasekera
Setambangana
Setambangana:A place in Ceylon.When King Mahānāga was fleeing from Ceylon to India,he received help from an Elder living there.Later,when he re-gained his throne,he made a great gift of medicine to Setambangana for as long as he should live (DhSA.399).v.l.Pemambanganga.