Isabela, officially the Province of Isabela (Ilocano: Probinsia ti Isabela; Ibanag: Provinsia na Isabela; Tagalog: Lalawigan ng Isabela), is a province in the Philippines located in the Cagayan Valley region in Luzon.
Description[]
The flag has a 6:11 proportion, with a plain dark green field and the provincial seal on the center of the flag.
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