The Zamboanga Peninsula is region IX. It consists of the three provinces: Zamboanga del Norte, Zamboanga del Sur, and Zamboanga Sibugay, plus Isabela City, which is located on the island province of Basilan.
Facts about the peninsula and administrative region IX. Explains how the old Region IX (Western Mindanao)was divided into two regions in 1975.
Features provincial and city flags for the region.
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