| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ba-Ayan | city | Province of La Union | Philippines | 16.55 | 120.6333333 | 3608 | 19020 |
| Baay | city | Province of La Union | Philippines | 16.6166667 | 120.45 | 406 | 55849 |
| Babal-losa | city | Province of La Union | Philippines | 16.6666667 | 120.4 | 252 | 46753 |
| Baccuit | city | Province of La Union | Philippines | 16.5344444 | 120.3186111 | 108 | 35788 |
| Bacnaton | city | Province of La Union | Philippines | 16.7222222 | 120.3525 | 180 | 36805 |
| Bacnotan | city | Province of La Union | Philippines | 16.7222222 | 120.3525 | 180 | 36805 |
| Bacot | city | Province of La Union | Philippines | 16.6666667 | 120.5166667 | 3280 | 12769 |
| Bacqui | city | Province of La Union | Philippines | 16.75 | 120.3833333 | 246 | 48811 |
| Bacsayan | city | Province of La Union | Philippines | 16.6833333 | 120.3833333 | 239 | 46753 |
| Bacsil | city | Province of La Union | Philippines | 16.7166667 | 120.35 | 154 | 36805 |
| Bacsil | city | Province of La Union | Philippines | 16.6166667 | 120.3666667 | 580 | 67229 |
| Bagbag | city | Province of La Union | Philippines | 16.4666667 | 120.35 | 308 | 56898 |
| Bagbag Este | city | Province of La Union | Philippines | 16.4666667 | 120.35 | 308 | 56898 |
| Bagbag Oeste | city | Province of La Union | Philippines | 16.4666667 | 120.3333333 | 219 | 29394 |
| Bagbag West | city | Province of La Union | Philippines | 16.4666667 | 120.3333333 | 219 | 29394 |
| Bago | city | Province of La Union | Philippines | 10.75 | 122.5 | 95 | 328103 |
| Bagolig | city | Province of La Union | Philippines | 16.6333333 | 120.4166667 | 610 | 39441 |
| Bagulin | city | Province of La Union | Philippines | 16.6083333 | 120.4394444 | 656 | 55849 |
| Bagutot | city | Province of La Union | Philippines | 16.7166667 | 120.3666667 | 255 | 36805 |
| Bail | city | Province of La Union | Philippines | 16.2666667 | 120.35 | 0 | 22083 |
| Bal-lay | city | Province of La Union | Philippines | 16.5166667 | 120.3666667 | 259 | 65982 |
| Bal-lugo | city | Province of La Union | Philippines | 16.7166667 | 120.35 | 154 | 36805 |
| Balaoan | city | Province of La Union | Philippines | 16.8219444 | 120.4002778 | 249 | 63298 |
| Balaoc | city | Province of La Union | Philippines | 16.2911111 | 120.3461111 | 98 | 22083 |
| Balbal-losa | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Balecbec | city | Province of La Union | Philippines | 16.4833333 | 120.4166667 | 288 | 60574 |
| Balecbec Norte | city | Province of La Union | Philippines | 16.4833333 | 120.4166667 | 288 | 60574 |
| Balecbec Sur | city | Province of La Union | Philippines | 16.4775 | 120.4147222 | 285 | 68637 |
| Balio | city | Province of La Union | Philippines | 16.7 | 120.3333333 | 39 | 19660 |
| Balsaan | city | Province of La Union | Philippines | 16.2833333 | 120.3833333 | 147 | 31519 |
| Bambanay | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Bancagan | city | Province of La Union | Philippines | 16.5333333 | 120.4 | 278 | 75759 |
| Bangaoilan | city | Province of La Union | Philippines | 16.9 | 120.45 | 236 | 46993 |
| Bangar | city | Province of La Union | Philippines | 16.8980556 | 120.4230556 | 164 | 46993 |
| Bangauilan | city | Province of La Union | Philippines | 16.9 | 120.45 | 236 | 46993 |
| Bangbangolan | city | Province of La Union | Philippines | 16.6166667 | 120.3166667 | 180 | 40566 |
| Bangcusay | city | Province of La Union | Philippines | 16.6333333 | 120.3166667 | 177 | 32039 |
| Bangngaoilan | city | Province of La Union | Philippines | 16.9 | 120.45 | 236 | 46993 |
| Bangngauilan | city | Province of La Union | Philippines | 16.9 | 120.45 | 236 | 46993 |
| Bangoilan | city | Province of La Union | Philippines | 16.9 | 120.45 | 236 | 46993 |
| Bangol | city | Province of La Union | Philippines | 16.7730556 | 120.4041667 | 249 | 53965 |
| Bani | city | Province of La Union | Philippines | 16.2258333 | 120.415 | 144 | 16393 |
| Bannaa | city | Province of La Union | Philippines | 16.9166667 | 120.5 | 295 | 24777 |
| Banoagan | city | Province of La Union | Philippines | 16.55 | 120.3833333 | 246 | 78373 |
| Banyan | city | Province of La Union | Philippines | 16.55 | 120.6333333 | 3608 | 19020 |
| Baracbac | city | Province of La Union | Philippines | 16.8333333 | 120.4166667 | 246 | 50876 |
| Baracbac | city | Province of La Union | Philippines | 16.8333333 | 120.4333333 | 246 | 50876 |
| Baracbac Este | city | Province of La Union | Philippines | 16.8333333 | 120.4333333 | 246 | 50876 |
| Baracbac Oeste | city | Province of La Union | Philippines | 16.8333333 | 120.4166667 | 246 | 50876 |
| Barangobong | city | Province of La Union | Philippines | 16.85 | 120.3833333 | 213 | 54837 |
| Baraoas | city | Province of La Union | Philippines | 16.6333333 | 120.4 | 984 | 55640 |
| Baraoas Norte | city | Province of La Union | Philippines | 16.55 | 120.3833333 | 246 | 78373 |
| Baraoas Sur | city | Province of La Union | Philippines | 16.5333333 | 120.3833333 | 246 | 75759 |
| Barawer | city | Province of La Union | Philippines | 16.8088889 | 120.3330556 | 134 | 19852 |
| Barcelona | city | Province of La Union | Philippines | 16.3666667 | 120.4 | 262 | 72872 |
| Bariquir | city | Province of La Union | Philippines | 16.5333333 | 120.4 | 278 | 75759 |
| Barraca | city | Province of La Union | Philippines | 16.9 | 120.4166667 | 157 | 46993 |
| Barrientos | city | Province of La Union | Philippines | 16.8511111 | 120.3725 | 200 | 38323 |
| Bato | city | Province of La Union | Philippines | 16.65 | 120.35 | 252 | 53792 |
| Bato | city | Province of La Union | Philippines | 16.5166667 | 120.4 | 249 | 75759 |
| Bauang | city | Province of La Union | Philippines | 16.5308333 | 120.3330556 | 150 | 35788 |
| Bauang Sur | city | Province of La Union | Philippines | 16.5 | 120.3166667 | 101 | 29394 |
| Bautista | city | Province of La Union | Philippines | 16.4433333 | 120.3438889 | 164 | 45514 |
| Bay-otan | city | Province of La Union | Philippines | 16.5166667 | 120.35 | 259 | 65982 |
| Bayabas West | city | Province of La Union | Philippines | 16.4833333 | 120.4666667 | 675 | 47843 |
| Baybay | city | Province of La Union | Philippines | 16.3 | 120.35 | 108 | 48574 |
| Bayyating | city | Province of La Union | Philippines | 16.5166667 | 120.4333333 | 298 | 65865 |
| Bet-ang | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Betia | city | Province of La Union | Philippines | 16.35 | 120.4166667 | 255 | 59366 |
| Biday | city | Province of La Union | Philippines | 16.6333333 | 120.3166667 | 177 | 32039 |
| Biejo | city | Province of La Union | Philippines | 16.9166667 | 120.4666667 | 85 | 35683 |
| Bigbiga | city | Province of La Union | Philippines | 16.8166667 | 120.45 | 236 | 50876 |
| Bilis | city | Province of La Union | Philippines | 16.5166667 | 120.4666667 | 1640 | 45909 |
| Bilis Northwest | city | Province of La Union | Philippines | 16.5166667 | 120.4666667 | 1640 | 45909 |
| Bimmanga | city | Province of La Union | Philippines | 16.95 | 120.4333333 | 114 | 30053 |
| Bimmotobol | city | Province of La Union | Philippines | 16.5730556 | 120.4138889 | 492 | 78373 |
| Bimmotobot | city | Province of La Union | Philippines | 16.5730556 | 120.4138889 | 492 | 78373 |
| Bimmutubot | city | Province of La Union | Philippines | 16.5730556 | 120.4138889 | 492 | 78373 |
| Bio | city | Province of La Union | Philippines | 16.9333333 | 120.4333333 | 147 | 30053 |
| Birunget | city | Province of La Union | Philippines | 16.5833333 | 120.3666667 | 711 | 69382 |
| Bitag | city | Province of La Union | Philippines | 16.4 | 120.4333333 | 984 | 54425 |
| Bitag | city | Province of La Union | Philippines | 16.4333333 | 120.45 | 1381 | 55076 |
| Bitalag | city | Province of La Union | Philippines | 16.75 | 120.3666667 | 246 | 36805 |
| Bito | city | Province of La Union | Philippines | 16.7 | 120.5166667 | 2296 | 12769 |
| Boulaolacao | city | Province of La Union | Philippines | 16.4666667 | 120.45 | 656 | 60574 |
| Bucao | city | Province of La Union | Philippines | 16.6833333 | 120.4 | 246 | 46753 |
| Bucayob | city | Province of La Union | Philippines | 16.5166667 | 120.35 | 259 | 65982 |
| Bueayob | city | Province of La Union | Philippines | 16.5166667 | 120.35 | 259 | 65982 |
| Bugbugcao | city | Province of La Union | Philippines | 16.6666667 | 120.3333333 | 242 | 19660 |
| Bulala | city | Province of La Union | Philippines | 16.7333333 | 120.35 | 193 | 36805 |
| Bulala | city | Province of La Union | Philippines | 16.6716667 | 120.4816667 | 1715 | 18429 |
| Bulbulala | city | Province of La Union | Philippines | 16.8166667 | 120.4166667 | 262 | 50876 |
| Bumbuneg | city | Province of La Union | Philippines | 16.6833333 | 120.4 | 246 | 46753 |
| Bunga | city | Province of La Union | Philippines | 16.7833333 | 120.35 | 265 | 43018 |
| Bungcayo | city | Province of La Union | Philippines | 16.8 | 120.45 | 246 | 50876 |
| Bungol | city | Province of La Union | Philippines | 16.7730556 | 120.4041667 | 249 | 53965 |
| Bungro | city | Province of La Union | Philippines | 16.5833333 | 120.35 | 265 | 69382 |
| Bungro | city | Province of La Union | Philippines | 16.8333333 | 120.3666667 | 200 | 44794 |
| Burayoc | city | Province of La Union | Philippines | 16.7166667 | 120.3666667 | 255 | 36805 |
| Burgos | city | Province of La Union | Philippines | 16.5186111 | 120.4627778 | 1640 | 45909 |
| Buriri | city | Province of La Union | Philippines | 16.7666667 | 120.35 | 239 | 43018 |
| Buselbusel | city | Province of La Union | Philippines | 16.85 | 120.3833333 | 213 | 54837 |
| Busilac | city | Province of La Union | Philippines | 16.9 | 120.4 | 6 | 36762 |
| Bussaoit | city | Province of La Union | Philippines | 16.7 | 120.3666667 | 239 | 40826 |
| Butubat Norte | city | Province of La Union | Philippines | 16.8113889 | 120.4547222 | 308 | 50876 |
| Butubot Norte | city | Province of La Union | Philippines | 16.8113889 | 120.4547222 | 308 | 50876 |
| Butubot Sur | city | Province of La Union | Philippines | 16.8 | 120.4333333 | 291 | 50876 |
| Butubut | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Butubut | city | Province of La Union | Philippines | 16.8113889 | 120.4547222 | 308 | 50876 |
| Butubut Este | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Butubut Norte | city | Province of La Union | Philippines | 16.8113889 | 120.4547222 | 308 | 50876 |
| Butubut Oeste | city | Province of La Union | Philippines | 16.8166667 | 120.4 | 288 | 63298 |
| Butubut Sur | city | Province of La Union | Philippines | 16.8 | 120.4333333 | 291 | 50876 |
| Buy-utan-bucayab | city | Province of La Union | Philippines | 16.5166667 | 120.35 | 259 | 65982 |
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