Province or Capital Population(2015 Area km2
Region 1 - Ilocos Region Pangasinan Lingayen 3,163,190 5,451 4 44 1,364
Region 1 - Ilocos Region La Union San Fernando 822,352 1,499 1 19 576
Region 1 - Ilocos Region Ilocos Sur Vigan 706,009 2,596 2 32 768
Region 1 - Ilocos Region Ilocos Norte Laoag 609,588 3,419 2 21 559
Region 2 - Cagayan Valley Isabela Ilagan 1,697,050 12,415 3 34 1,055
Region 2 - Cagayan Valley Cagayan Tuguegarao 1,268,603 9,296 1 28 820
Region 2 - Cagayan Valley Nueva Vizcaya Bayombong 497,432 3,976 0 15 275
Region 2 - Cagayan Valley Quirino Cabarroguis Diffun 203,828 3,323 0 6 132
Region 2 - Cagayan Valley Batanes Basco 18,831 219 0 6 29
Region 3 - Cen Luz Bulacan Malolos 3,292,071 2,796
Region 3 - Cen Luz Pampanga San Fernando 2,198,110 2,002
Region 3 - Cen Luz Nueva Ecija Palayan 2,151,461 5,751
Region 3 - Cen Luz Tarlac Tarlac 1,366,027 3,054
Region 3 - Cen Luz Bataan Balanga 760,650 1,373
Region 3 - Cen Luz Zambales Iba 590,848 3,646
Region 3 - Cen Luz Aurora Baler 214,336 3,147
Region 4A - Calabarzon Cavite Imus (de Jure) Trece Martires 4,344,829 1,574 7 16
Region 4A - Calabarzon Laguna Santa Cruz 3,383,193 1,918 6 24
Region 4A - Calabarzon Rizal Antipolo 3,330,143 80 1 13
Region 4A - Calabarzon Batangas Batangas city 2,908,494 3,120 4 30
Region 4A - Calabarzon Quezon Lucena 1,950,459 8,989 2 39
Region 4B - Mimaropa Palawan Puerto Princesa 939,594 14,650
Region 4B - Mimaropa Oriental Mindoro Calapan 908,339 4,238
Region 4B - Mimaropa Occidental Mindoro Mamburao 525,354 5,866
Region 4B - Mimaropa Romblon Romblon 307,079 1,534
Region 4B - Mimaropa Marinduque Boac 239,207 953
Region 5 - Bicol Camarines Sur Pili 2,068,244 5,512
Region 5 - Bicol Albay Legazpi City 1,374,768 2,575
Region 5 - Bicol Masbate Masbate City 908,920 4,139
Region 5 - Bicol Sorsogon Sorsogon City 828,655 2,119
Region 5 - Bicol Camarines Norte Daet 629,699 2,278
Region 5 - Bicol Catanduanes Virac 271,879 1,492
Province Capital Area[26] Density Muni. Barangay
km2 sq mi /sq mi
Ilocos NortLaoag 609,588.00 3,418.75 180 470 2 21 559
Ilocos Sur Vigan 706,009.00 2,596.00 270 700 2 32 768
La Union San Fernando 822,352.00 1,499.28 550 1,400 1 19 576
PangasinanLingayen 3,163,190 5,450.59 580 1,500 4 44 1,364