San Ildefonso (Ilocos Sur)
San Ildefonso is a town in the Philippine Ilocos Sur. In 2010 lived in only 14.65 km ² area of 7075 people, giving a population density of 483 inhabitants per km ² revealed. The majority of the population lives in the flat area of agriculture. By San Ildefonso also flows the Bantaoay River.
San Ildefonso is divided into the following 15 barangays:
- Carnap
- Bahet
- Bungro
- Busiing Sur
- Busiing Norte
- Dongalo
- Gongogong
- Iboy
- Otol - Patac
- Poblacion East
- Poblacion West
- Kinamantirisan
- Sagneb
- Sagsagat