1. Abacca (17.03N, 120.57E) Ilocos Sur, Populated Place 2. Abaccan (17.03N, 120.57E) Ilocos Sur, Populated Place 3. Abaya (17.18N, 120.47E) Ilocos Sur, Populated Place 4. Abit River (16.98N, 120.75E) Ilocos Sur, Stream 5. Abra (17.51N, 120.4E) Ilocos Sur, Stream 6. Abra River (17.51N, 120.4E) Ilocos Sur, Stream 7. Abubutan (17.03N, 120.77E) Ilocos Sur, Populated Place 8. Abuer (17.42N, 120.48E) Ilocos Sur, Populated Place 9. Abuor (17.42N, 120.48E) Ilocos Sur, Populated Place 10. Adagap (17.5N, 121.28E) Ilocos Sur, Populated Place 11. Adagapi (17.5N, 121.28E) Ilocos Sur, Populated Place 12. Ag-aguman (16.93N, 120.47E) Ilocos Sur, Populated Place 13. Agagrao (17.38N, 120.52E) Ilocos Sur, Populated Place 14. Aggay (17.58N, 120.4E) Ilocos Sur, Populated Place 15. Al-aludig (17.27N, 120.47E) Ilocos Sur, Populated Place 16. Al-Aluding (17.27N, 120.47E) Ilocos Sur, Populated Place 17. Alabog (17.73N, 121.48E) Ilocos Sur, Populated Place 18. Alabug (17.73N, 121.48E) Ilocos Sur, Populated Place 19. Alangan (17.68N, 120.38E) Ilocos Sur, Populated Place 20. Alangan (17.68N, 120.37E) Ilocos Sur, Populated Place 21. Alanjin (17.68N, 120.37E) Ilocos Sur, Populated Place 22. Alanjino (17.68N, 120.37E) Ilocos Sur, Populated Place 23. Alfonso (17.17N, 120.61E) Ilocos Sur, Populated Place 24. Alibangbang (17.48N, 120.43E) Ilocos Sur, Populated Place 25. Alilem (16.9N, 120.58E) Ilocos Sur, Second-order Administrative Division 26. Alilem (16.89N, 120.53E) Ilocos Sur, Populated Place 27. Alincaoeg (17.12N, 120.45E) Ilocos Sur, Populated Place 28. Allangigan (17.17N, 120.5E) Ilocos Sur, Populated Place 29. Allangigan (17.17N, 120.5E) Ilocos Sur, Populated Place 30. Allangigan Primero (17.17N, 120.5E) Ilocos Sur, Populated Place 31. Allangigan Segundo (17.17N, 120.5E) Ilocos Sur, Populated Place 32. Alulin (16.98N, 120.76E) Ilocos Sur, Populated Place 33. Amarao (17.06N, 120.49E) Ilocos Sur, Populated Place 34. Amarga (17.33N, 120.5E) Ilocos Sur, Populated Place 35. Ambalayat (16.92N, 120.49E) Ilocos Sur, Populated Place 36. Ambocao (17.3N, 120.42E) Ilocos Sur, Populated Place 37. Ambucao (17.3N, 120.42E) Ilocos Sur, Populated Place 38. Ambugat (17.33N, 120.48E) Ilocos Sur, Populated Place 39. Ambuiogan-Labuac (17.45N, 120.48E) Ilocos Sur, Populated Place 40. Ambulogan (17.45N, 120.48E) Ilocos Sur, Populated Place | 41. Ambulogan-Labuac (17.47N, 120.48E) Ilocos Sur, Populated Place 42. Ambulosan (17.45N, 120.48E) Ilocos Sur, Populated Place 43. Ambulugan (17.45N, 120.48E) Ilocos Sur, Populated Place 44. Amgayan (16.97N, 120.72E) Ilocos Sur, Populated Place 45. Amgayang (16.97N, 120.72E) Ilocos Sur, Populated Place 46. Amguid (17.2N, 120.45E) Ilocos Sur, Populated Place 47. Amilongan (16.86N, 120.58E) Ilocos Sur, Populated Place 48. Ampandula (17.48N, 120.43E) Ilocos Sur, Populated Place 49. Ampayao (17.17N, 120.57E) Ilocos Sur, Populated Place 50. Ampoagan (17.35N, 120.5E) Ilocos Sur, Populated Place 51. Ampuagan (17.35N, 120.5E) Ilocos Sur, Populated Place 52. Amsawan (17.09N, 120.67E) Ilocos Sur, Populated Place 53. An-ana-ao (17.15N, 120.61E) Ilocos Sur, Populated Place 54. Anaao (16.88N, 120.55E) Ilocos Sur, Populated Place 55. Anan-nam (17.58N, 120.38E) Ilocos Sur, Populated Place 56. Ancheta (17.33N, 120.52E) Ilocos Sur, Populated Place 57. Angaaoeng River (16.78N, 120.55E) Ilocos Sur, Stream 58. Angaki (17.16N, 120.67E) Ilocos Sur, Populated Place 59. Anomang Mayor (17.55N, 120.38E) Ilocos Sur, Populated Place 60. Anonang Mayor (17.55N, 120.38E) Ilocos Sur, Populated Place 61. Ansad (17.32N, 120.45E) Ilocos Sur, Populated Place 62. Apang (16.88N, 120.58E) Ilocos Sur, Populated Place 63. Apatot (17.3N, 120.42E) Ilocos Sur, Populated Place 64. Apaya (17.77N, 120.45E) Ilocos Sur, Populated Place 65. Apaya (16.88N, 120.59E) Ilocos Sur, Populated Place 66. Aquib (17.45N, 120.48E) Ilocos Sur, Populated Place 67. Ar-aro (17.12N, 120.45E) Ilocos Sur, Populated Place 68. Aranaya (17.7N, 120.42E) Ilocos Sur, Populated Place 69. Arangin (17.12N, 120.52E) Ilocos Sur, Populated Place 70. Arangin-Dinaratan (17.12N, 120.52E) Ilocos Sur, Populated Place 71. Arangin-Dinaratan (17.11N, 120.53E) Ilocos Sur, Populated Place 72. Arnap (17.62N, 120.45E) Ilocos Sur, Populated Place 73. Asilang (17.7N, 120.45E) Ilocos Sur, Populated Place 74. Asilang (17.72N, 120.51E) Ilocos Sur, Populated Place 75. Atabay (17.15N, 120.53E) Ilocos Sur, Populated Place 76. Atib River (17.73N, 120.43E) Ilocos Sur, Stream 77. Ayudante (17.17N, 120.45E) Ilocos Sur, Populated Place 78. Ayusan Norte (17.57N, 120.38E) Ilocos Sur, Populated Place 79. Ayusan Sur (17.57N, 120.38E) Ilocos Sur, Populated Place 80. Baang (17.24N, 120.59E) Ilocos Sur, Populated Place |