San Isidro, San Pablo
Barangay San Isidro (commonly known as Balagbag) is a rural and one of the 80 barangays of San Pablo City. It is located in the southern portion of the city and bounded by the municipality of Tiaong, Quezon on south, Brgy. Santisimo Rosario on north, Brgy. San Antonio 2 on east, and Brgy. Atisan on west.
Barangay Data
| Official Name | Barangay San Isidro |
| Nickname | Balagbag |
| Population | 3,527 |
| Code | 043424051 |
| School District | San Francisco District |
| Chairman | Zoilo Dela Paz |
| SK Chairwoman | Angeline Serida |
| Parish | St. Francis of Asissi Parish |
| Patron Saint | St. Isidore |
| Fiesta | May 15 |