Geography
| Geography | 2009 | 2008 | 2007 |
| Number of cities | 1 | 1 | 1 |
| Number of municipalities | 14 | 14 | 14 |
| Number of Barangays | 541 | 541 | 541 |
| Geography | 2009 | 2008 | 2007 |
| Number of cities | 1 | 1 | 1 |
| Number of municipalities | 14 | 14 | 14 |
| Number of Barangays | 541 | 541 | 541 |