San Ildefonso Ilocos Region is located at 17.625111, 120.395493 geo coordinates. San Ildefonso, Ilocos Region is located in San Ildefonso, Philippines.
| Latitude | Longitude |
|---|---|
| 17.625111 | 120.395493 |
| DMS Latitude | DMS Longitude |
|---|---|
| 17° 37´ 30.3996'' N | 120° 23´ 43.7748'' E |