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Nueva Vizcaya is a province of the Philippines located in the Cagayan Valley region in Luzon. Its capital is Bayombong and borders, clockwise from the north, Ifugao, Isabela, Quirino, Aurora, Nueva Ecija, Pangasinan, and Benguet.
Nueva Vizcaya is subdivided into 15 municipalities.
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|- |style="padding:0px 5px" align="right"|Ilocos Region: |style="padding:0px 5px" | Ilocos Norte | Ilocos Sur | La Union | Pangasinan |- |style="padding:0px 5px" align="right"|Cagayan Valley: |style="padding:0px 5px" | Batanes | Cagayan | Isabela | Nueva Vizcaya | Quirino |- |style="padding:0px 5px" align="right"|Central Luzon: |style="padding:0px 5px" | Aurora | Bataan | Bulacan | Nueva Ecija | Pampanga | Tarlac | Zambales |- |style="padding:0px 5px" align="right"|CALABARZON: |style="padding:0px 5px" | Batangas | Cavite | Laguna | Quezon | Rizal |- |style="padding:0px 5px" align="right"|MIMAROPA: |style="padding:0px 5px" | Marinduque | Occidental Mindoro | Oriental Mindoro | Palawan | Romblon |- |style="padding:0px 5px" align="right"|Bicol Region: |style="padding:0px 5px" | Albay | Camarines Norte | Camarines Sur | Catanduanes | Masbate | Sorsogon |- |style="padding:0px 5px" align="right"|Cordillera Adm. Region: |style="padding:0px 5px" | Abra | Apayao | Benguet | Ifugao | Kalinga | Mountain Province |- |style="padding:0px 5px" align="right"|Metro Manila: |style="padding:0px 5px" | No provinces |}
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