World / Philippines / Ilocos Sur / San Ildefonso
San Ildefonso has 15 third level subdivisions
| ID | Name |
|---|---|
| 1 | Iboy |
| 2 | Poblacion West |
| 3 | Poblacion East |
| 4 | Kinamantirisan |
| 5 | Sagsagat |
| 6 | Bungro |
| 7 | Belen |
| 8 | Gongogong |
| 9 | Dongalo |
| 10 | Arnap |
| 11 | Sagneb |
| 12 | Bahet |
| 13 | Otol-Patac |
| 14 | Busiing Norte |
| 15 | Busiing Sur |