The flag of Abra, Philippines is a green background with a province's seal in the center.
 Provinces of the Philippines |
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National Capital Region (NCR) Cordillera Administrative Region (CAR) Ilocos Region (Region I) Cagayan Valley (Region II) Central Luzon (Region III) Calabarzon / Southern Tagalog (Region IV-A) Mimaropa / Southwestern Tagalog Region Bicol Region (Region V) Western Visayas (Region VI) Negros Island Region (NIR) Central Visayas (Region VII) Eastern Visayas (Region VIII) Zamboanga Peninsula (Region IX) Northern Mindanao (Region X) Davao Region (Region XI) Soccsksargen (Region XII) Caraga / Caraga Administrative Region (Region XIII)
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