Shield: the provincial shield of Ilocos Sur where the town is located
Green Herb: the plant from which the municipality derived its present name. Known as "Kabig-bigaan" from "Biga" (Alcasia Indica) a course, erect and araceous plant with large orange which grows on the bank of the rivers
Buildings: the Vigan Cathedral and the Archbishop's Palace, living monuments for century old historic Ilocandia
Monument: the monument of Juan De Salcedo, the founder of the town as capital of ancient Ilocos. Vigan vied in importance and gentility with theproud city of Intramuros at the time.