| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Abbatuan | city | Province of Isabela | Philippines | 16.9816667 | 122.0561111 | 324 | 7189 |
| Abbuatan | city | Province of Isabela | Philippines | 17.3002778 | 121.8022222 | 108 | 25413 |
| Abolan | city | Province of Isabela | Philippines | 16.4 | 121.7333333 | 521 | 4743 |
| Abolan | city | Province of Isabela | Philippines | 16.5591667 | 121.7366667 | 278 | 13515 |
| Abuatan | city | Province of Isabela | Philippines | 17.3002778 | 121.8022222 | 108 | 25413 |
| Abulan | city | Province of Isabela | Philippines | 16.5591667 | 121.7366667 | 278 | 13515 |
| Abut | city | Province of Isabela | Philippines | 17.3575 | 121.6063889 | 469 | 13519 |
| Acacia | city | Province of Isabela | Philippines | 17.0952778 | 121.6591667 | 170 | 47049 |
| Addalam | city | Province of Isabela | Philippines | 16.5263889 | 121.6744444 | 278 | 13593 |
| Adiao | city | Province of Isabela | Philippines | 16.9061111 | 122.0211111 | 305 | 12776 |
| Aggasian | city | Province of Isabela | Philippines | 17.15 | 121.8833333 | 206 | 24197 |
| Aggassian | city | Province of Isabela | Philippines | 17.15 | 121.8833333 | 206 | 24197 |
| Aggassian | city | Province of Isabela | Philippines | 17.1061111 | 121.9269444 | 301 | 24305 |
| Aggub | city | Province of Isabela | Philippines | 17.4166667 | 121.7333333 | 190 | 25202 |
| Alamagui | city | Province of Isabela | Philippines | 17.4461111 | 121.7866667 | 134 | 21259 |
| Alanguigan | city | Province of Isabela | Philippines | 16.7455556 | 121.7105556 | 164 | 29214 |
| Alibadabad | city | Province of Isabela | Philippines | 17 | 122.0333333 | 305 | 11761 |
| Alibago | city | Province of Isabela | Philippines | 17.1 | 121.85 | 154 | 26639 |
| Alibago | city | Province of Isabela | Philippines | 17.1166667 | 121.8666667 | 157 | 26639 |
| Alibagu | city | Province of Isabela | Philippines | 17.1 | 121.85 | 154 | 26639 |
| Alibagu | city | Province of Isabela | Philippines | 17.1166667 | 121.8666667 | 157 | 26639 |
| Alicia | city | Province of Isabela | Philippines | 16.7780556 | 121.7013889 | 183 | 44123 |
| Alinguigan | city | Province of Isabela | Philippines | 16.7455556 | 121.7105556 | 164 | 29214 |
| Alinguigan | city | Province of Isabela | Philippines | 17.1266667 | 121.9327778 | 180 | 24145 |
| Alinguigan I | city | Province of Isabela | Philippines | 17.1266667 | 121.9327778 | 180 | 24145 |
| Almacen | city | Province of Isabela | Philippines | 17.2833333 | 121.8 | 104 | 23743 |
| Alto | city | Province of Isabela | Philippines | 17.3666667 | 121.8 | 108 | 24866 |
| Alto | city | Province of Isabela | Philippines | 17.3647222 | 121.8180556 | 150 | 24866 |
| Ambabu | city | Province of Isabela | Philippines | 17.0166667 | 122.1666667 | 984 | 5875 |
| Ambalatunga | city | Province of Isabela | Philippines | 16.7252778 | 121.555 | 255 | 61709 |
| Ambalatungan | city | Province of Isabela | Philippines | 16.7252778 | 121.555 | 255 | 61709 |
| Ambito | city | Province of Isabela | Philippines | 17.1627778 | 121.6622222 | 177 | 40541 |
| Ambito | city | Province of Isabela | Philippines | 17.05 | 121.8333333 | 160 | 34676 |
| Amistad | city | Province of Isabela | Philippines | 16.8625 | 121.6666667 | 200 | 52987 |
| Ammobocan | city | Province of Isabela | Philippines | 16.8405556 | 121.8058333 | 137 | 35294 |
| Ammoboocan | city | Province of Isabela | Philippines | 16.8405556 | 121.8058333 | 137 | 35294 |
| Anao | city | Province of Isabela | Philippines | 17.4333333 | 121.7666667 | 141 | 21259 |
| Andarayan | city | Province of Isabela | Philippines | 17.3211111 | 121.7202778 | 180 | 26424 |
| Andarayan | city | Province of Isabela | Philippines | 16.9502778 | 121.8125 | 124 | 43175 |
| Andarayan Burgos | city | Province of Isabela | Philippines | 16.9891667 | 121.9583333 | 318 | 31760 |
| Andayan | city | Province of Isabela | Philippines | 17.1777778 | 121.9363889 | 298 | 24618 |
| Andrade | city | Province of Isabela | Philippines | 16.9386111 | 121.8616667 | 170 | 40209 |
| Angadanan | city | Province of Isabela | Philippines | 16.7558333 | 121.7505556 | 141 | 36076 |
| Angadanan Viejo | city | Province of Isabela | Philippines | 16.7833333 | 121.7 | 180 | 44123 |
| Angadangan | city | Province of Isabela | Philippines | 16.7558333 | 121.7505556 | 141 | 36076 |
| Angadauan | city | Province of Isabela | Philippines | 16.7558333 | 121.7505556 | 141 | 36076 |
| Angancasilian | city | Province of Isabela | Philippines | 17.4333333 | 121.7666667 | 141 | 21259 |
| Angarilla | city | Province of Isabela | Philippines | 17.15 | 121.9166667 | 160 | 24145 |
| Angela | city | Province of Isabela | Philippines | 16.9833333 | 122.0161111 | 298 | 11761 |
| Angela | city | Province of Isabela | Philippines | 16.99 | 122.0433333 | 324 | 7189 |
| Anguapan | city | Province of Isabela | Philippines | 17.2833333 | 121.8 | 104 | 23743 |
| Aniba | city | Province of Isabela | Philippines | 17.0666667 | 121.85 | 154 | 33388 |
| Aniog | city | Province of Isabela | Philippines | 16.7516667 | 121.7258333 | 167 | 39180 |
| Anipa | city | Province of Isabela | Philippines | 17.0666667 | 121.85 | 154 | 33388 |
| Anipa | city | Province of Isabela | Philippines | 16.9486111 | 121.9488889 | 164 | 33013 |
| Anitan | city | Province of Isabela | Philippines | 17.4697222 | 121.7877778 | 229 | 22556 |
| Annafunan | city | Province of Isabela | Philippines | 16.7166667 | 121.7236111 | 232 | 29214 |
| Annanuman | city | Province of Isabela | Philippines | 17.4288889 | 121.8222222 | 318 | 14938 |
| Annatunan | city | Province of Isabela | Philippines | 16.7166667 | 121.7236111 | 232 | 29214 |
| Anoatusia | city | Province of Isabela | Philippines | 17.2533333 | 121.7530556 | 170 | 21085 |
| Antagan | city | Province of Isabela | Philippines | 17.3888889 | 121.7508333 | 170 | 26140 |
| Antagan | city | Province of Isabela | Philippines | 17.3794444 | 121.76 | 160 | 26140 |
| Antagan | city | Province of Isabela | Philippines | 17.4436111 | 121.8366667 | 314 | 11271 |
| Antagan | city | Province of Isabela | Philippines | 17.2772222 | 121.9127778 | 314 | 26335 |
| Antatet | city | Province of Isabela | Philippines | 16.9725 | 121.7302778 | 170 | 42458 |
| Antatet-Kalinga | city | Province of Isabela | Philippines | 16.9833333 | 121.7333333 | 164 | 42458 |
| Aparri | city | Province of Isabela | Philippines | 16.9325 | 121.5713889 | 252 | 16630 |
| Apiat | city | Province of Isabela | Philippines | 16.95 | 121.6125 | 219 | 34687 |
| Appari | city | Province of Isabela | Philippines | 16.9325 | 121.5713889 | 252 | 16630 |
| Ara | city | Province of Isabela | Philippines | 16.9738889 | 121.9813889 | 305 | 21406 |
| Arabiat | city | Province of Isabela | Philippines | 16.6422222 | 121.6111111 | 242 | 33746 |
| Arbiat | city | Province of Isabela | Philippines | 16.6422222 | 121.6111111 | 242 | 33746 |
| Arubub | city | Province of Isabela | Philippines | 16.5419444 | 121.6841667 | 298 | 14965 |
| Arusip | city | Province of Isabela | Philippines | 17.1038889 | 121.8375 | 154 | 26639 |
| Asin Boji | city | Province of Isabela | Philippines | 17.3375 | 121.7875 | 150 | 29422 |
| Assantu | city | Province of Isabela | Philippines | 17.2861111 | 121.8502778 | 308 | 26304 |
| Asuacan | city | Province of Isabela | Philippines | 17.3333333 | 121.7833333 | 127 | 26985 |
| Atelong | city | Province of Isabela | Philippines | 16.6119444 | 121.6136111 | 262 | 22509 |
| Auitan | city | Province of Isabela | Philippines | 17.4697222 | 121.7877778 | 229 | 22556 |
| Auitan | city | Province of Isabela | Philippines | 17.4675 | 121.7972222 | 265 | 22234 |
| Aurora | city | Province of Isabela | Philippines | 16.9919444 | 121.6372222 | 213 | 45061 |
| Australia | city | Province of Isabela | Philippines | 16.8786111 | 121.5580556 | 262 | 19095 |
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