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| Barangay | Area (ha) |
| Bingag | 637.543 |
| Tabalong | 319.378 |
| Songculan | 425.780 |
| Totolan | 201.105 |
| Mayacabac | 245.550 |
| Catarman | 380.868 |
| Biking | 489.508 |
| San Isidro | 409.841 |
| Dao | 619.836 |
| Tinago | 376.656 |
| Mariveles | 259.407 |
| Poblacion | 88.749 |
Provincial Planning and Development Office