Central Luzon
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'''Central Luzon''' region contains the largest plain of the Philippines and produces most of the country's rice supply. Its provinces are: Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga, Tarlac, and Zambales. There are twelve cities which include: Balanga from Bataan; Cabanatuan, Gapan, Muñoz, Palayan and San Jose from Nueva Ecija; Olongapo from Zambales; Angeles and San Fernando from Pampanga; San Jose del Monte and Malolos from Bulacan; and Tarlac from Tarlac. San Fernando City, in Pampanga, is the regional capital. Aurora was transferred from Region IV by Executive Order No. 103.
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| colspan="2" style="background:#ccccff; font-size: larger;" align="center" | '''Regions and Provinces of Luzon'''
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|style="padding:0px 5px" align="right"|'''Ilocos Region:'''
|style="padding:0px 5px" | Ilocos Norte | Ilocos Sur | La Union | Pangasinan
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|style="padding:0px 5px" align="right"|'''Cagayan Valley:'''
|style="padding:0px 5px" | Batanes | Cagayan | Isabela | Nueva Vizcaya | Quirino
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|style="padding:0px 5px" align="right"|'''Central Luzon:'''
|style="padding:0px 5px" | Aurora | Bataan | Bulacan | Nueva Ecija | Pampanga | Tarlac | Zambales
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|style="padding:0px 5px" align="right"|'''CALABARZON:'''
|style="padding:0px 5px" | Batangas | Cavite | Laguna | Quezon | Rizal
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|style="padding:0px 5px" align="right"|'''MIMAROPA:'''
|style="padding:0px 5px" | Marinduque | Occidental Mindoro | Oriental Mindoro | Palawan | Romblon
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|style="padding:0px 5px" align="right"|'''Bicol Region:'''
|style="padding:0px 5px" | Albay | Camarines Norte | Camarines Sur | Catanduanes | Masbate | Sorsogon
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|style="padding:0px 5px" align="right"|'''Cordillera Adm. Region:'''
|style="padding:0px 5px" | Abra | Apayao | Benguet | Ifugao | Kalinga | Mountain Province
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|style="padding:0px 5px" align="right"|'''Metro Manila:'''
|style="padding:0px 5px" | ''No provinces''
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