Flag of Batangas
| Use | State flag |
|---|---|
| Proportion | 1:2 |
| Adopted | 2023 |
| Use | State flag |
| Proportion | 1:2 |
| Adopted | 2009 |
| Relinquished | 2023 |
| Use | State flag |
| Proportion | 1:2 |
| Adopted | 198?? |
| Relinquished | 2009 |
| Use | State flag |
| Proportion | 1:2 |
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The flag of Batangas is the provincial flag of Batangas, Philippines. It is a horizontal triband of blue, white, and red — the main colors of the Philippine flag — with the escutcheon taken from the provincial seal in the center.