| Locality | Latitude | Longitude | Elevation | Postal Code |
|---|---|---|---|---|
| Iglesia Vieja | 13.294387 | -88.448445 | 57 m | 3420 |
| La Soledad | 13.345311 | -88.442811 | 116 m | 3420 |
| Mundo Nuevo | 13.170529 | -88.387204 | 8 m | 3420 |
| San Dionisio (El Calvario) | 13.282422 | -88.458046 | 9 m | 3420 |
| San Dionisio (El Paraiso) | 13.282422 | -88.458046 | 9 m | 3420 |
| San Dionisio (Flores) | 13.282422 | -88.458046 | 9 m | 3420 |
| San Dionisio (Paniagua) | 13.282422 | -88.458046 | 9 m | 3420 |
| San Dionisio (San Lorenzo) | 13.282422 | -88.458046 | 9 m | 3420 |
| San Francisco | 13.417486 | -88.573121 | 416.5 m | 3420 |
| San Sebastian | 13.183333 | -88.416667 | 4 m | 3420 |
| Shurla | 13.345311 | -88.442811 | 116 m | 3420 |
San Dionisio is an Administrative divisions in Usulután El Salvador.
Usulután