UpAlphabetical listing of Places in Ilocos Sur
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Baang | city | Ilocos Sur | Philippines | 17.24 | 120.59 | 882 | 8078 |
| Babal-lasiuan | city | Ilocos Sur | Philippines | 17.39 | 120.52 | 104 | 44938 |
| Baballasioan | city | Ilocos Sur | Philippines | 17.39 | 120.52 | 104 | 44938 |
| Babayaan | city | Ilocos Sur | Philippines | 17.05 | 120.48 | 328 | 37714 |
| Babayoan | city | Ilocos Sur | Philippines | 17.05 | 120.48 | 328 | 37714 |
| Babec | city | Ilocos Sur | Philippines | 16.98 | 120.71 | 1669 | 5757 |
| Bacangan | city | Ilocos Sur | Philippines | 17.07 | 120.55 | 984 | 14657 |
| Bacar | city | Ilocos Sur | Philippines | 17.70 | 120.42 | 32 | 36848 |
| Bacsayan | city | Ilocos Sur | Philippines | 17.07 | 120.48 | 131 | 42887 |
| Bacsil | city | Ilocos Sur | Philippines | 17.70 | 120.45 | 111 | 51048 |
| Bacsil | city | Ilocos Sur | Philippines | 17.72 | 120.45 | 36 | 51629 |
| Badac | city | Ilocos Sur | Philippines | 17.15 | 120.62 | 1742 | 4607 |
| Baduios | city | Ilocos Sur | Philippines | 16.92 | 120.75 | 2509 | 6287 |
| Baetan | city | Ilocos Sur | Philippines | 17.52 | 120.43 | 68 | 57772 |
| Bagani | city | Ilocos Sur | Philippines | 17.20 | 120.46 | 150 | 45061 |
| Bagani Camposante | city | Ilocos Sur | Philippines | 17.21 | 120.46 | 95 | 44773 |
| Bagani Gabor | city | Ilocos Sur | Philippines | 17.20 | 120.46 | 150 | 45061 |
| Bagar | city | Ilocos Sur | Philippines | 17.21 | 120.45 | 62 | 40896 |
| Bagbagotot | city | Ilocos Sur | Philippines | 17.26 | 120.47 | 111 | 35787 |
| Bagoyos | city | Ilocos Sur | Philippines | 16.93 | 120.76 | 1847 | 6279 |
| Bagsanan | city | Ilocos Sur | Philippines | 17.70 | 120.42 | 29 | 36268 |
| Bahet | city | Ilocos Sur | Philippines | 17.61 | 120.40 | 16 | 71471 |
| Bais | city | Ilocos Sur | Philippines | 16.88 | 120.55 | 849 | 9219 |
| Bal-lasiw | city | Ilocos Sur | Philippines | 17.49 | 120.52 | 246 | 22998 |
| Bal-lisiw | city | Ilocos Sur | Philippines | 17.49 | 120.52 | 246 | 22998 |
| Balaleng | city | Ilocos Sur | Philippines | 17.58 | 120.38 | 16 | 88775 |
| Balangen | city | Ilocos Sur | Philippines | 17.35 | 120.45 | 118 | 25991 |
| Balasiw | city | Ilocos Sur | Philippines | 17.49 | 120.52 | 246 | 22998 |
| Balaweg | city | Ilocos Sur | Philippines | 17.45 | 120.53 | 164 | 34135 |
| Balbalocoe | city | Ilocos Sur | Philippines | 17.22 | 120.48 | 328 | 36689 |
| Balidbid | city | Ilocos Sur | Philippines | 17.15 | 120.53 | 104 | 30554 |
| Baliling | city | Ilocos Sur | Philippines | 16.98 | 120.72 | 1669 | 5853 |
| Baling | city | Ilocos Sur | Philippines | 17.10 | 120.43 | 16 | 28133 |
| Balingaoan | city | Ilocos Sur | Philippines | 17.22 | 120.45 | 75 | 39501 |
| Balio | city | Ilocos Sur | Philippines | 17.37 | 120.47 | 68 | 39099 |
| Balio | city | Ilocos Sur | Philippines | 17.10 | 120.44 | 16 | 33424 |
| Balio | city | Ilocos Sur | Philippines | 17.74 | 120.45 | 42 | 51541 |
| Balio Daya | city | Ilocos Sur | Philippines | 17.37 | 120.48 | 29 | 44783 |
| Balio Laud | city | Ilocos Sur | Philippines | 17.37 | 120.47 | 68 | 39099 |
| Baliw | city | Ilocos Sur | Philippines | 17.87 | 120.46 | 88 | 25781 |
| Baliw | city | Ilocos Sur | Philippines | 17.74 | 120.45 | 42 | 51541 |
| Ballangac | city | Ilocos Sur | Philippines | 17.59 | 120.39 | 16 | 88636 |
| Ballasio | city | Ilocos Sur | Philippines | 17.49 | 120.52 | 246 | 22998 |
| Bals | city | Ilocos Sur | Philippines | 16.88 | 120.55 | 849 | 9219 |
| Baluarte | city | Ilocos Sur | Philippines | 17.15 | 120.53 | 104 | 30554 |
| Balugang | city | Ilocos Sur | Philippines | 17.30 | 120.52 | 223 | 21206 |
| Ban-na | city | Ilocos Sur | Philippines | 16.91 | 120.50 | 830 | 30155 |
| Banacao | city | Ilocos Sur | Philippines | 17.08 | 120.70 | 2076 | 3041 |
| Banao | city | Ilocos Sur | Philippines | 17.33 | 120.46 | 154 | 30848 |
| Banao Turod | city | Ilocos Sur | Philippines | 17.33 | 120.46 | 154 | 30848 |
| Banaoang | city | Ilocos Sur | Philippines | 17.55 | 120.46 | 984 | 57644 |
| Banaoang | city | Ilocos Sur | Philippines | 17.56 | 120.46 | 830 | 50365 |
| Banayoyo | city | Ilocos Sur | Philippines | 17.24 | 120.48 | 85 | 35573 |
| Banbanaal | city | Ilocos Sur | Philippines | 17.23 | 120.51 | 82 | 24667 |
| Banbanaba | city | Ilocos Sur | Philippines | 17.14 | 120.49 | 98 | 53357 |
| Bandril | city | Ilocos Sur | Philippines | 17.43 | 120.56 | 830 | 24325 |
| Bangabangar | city | Ilocos Sur | Philippines | 17.33 | 120.51 | 830 | 28898 |
| Bangbangar | city | Ilocos Sur | Philippines | 17.33 | 120.51 | 830 | 28898 |
| Banglayan | city | Ilocos Sur | Philippines | 17.46 | 120.51 | 88 | 36227 |
| Bangngang | city | Ilocos Sur | Philippines | 17.35 | 120.46 | 62 | 29044 |
| Banlo | city | Ilocos Sur | Philippines | 17.22 | 120.50 | 82 | 33173 |
| Bannaa | city | Ilocos Sur | Philippines | 16.91 | 120.50 | 830 | 30155 |
| Bantay | city | Ilocos Sur | Philippines | 17.58 | 120.39 | 16 | 95873 |
| Bantugo | city | Ilocos Sur | Philippines | 17.43 | 120.51 | 124 | 47338 |
| Banucal | city | Ilocos Sur | Philippines | 17.29 | 120.55 | 830 | 15330 |
| Bao-as | city | Ilocos Sur | Philippines | 17.11 | 120.44 | 39 | 35197 |
| Barabong | city | Ilocos Sur | Philippines | 17.53 | 120.43 | 13 | 67406 |
| Baracbac | city | Ilocos Sur | Philippines | 17.83 | 120.49 | 164 | 35523 |
| Baracbac | city | Ilocos Sur | Philippines | 17.12 | 120.68 | 1669 | 3284 |
| Baracbac | city | Ilocos Sur | Philippines | 17.13 | 120.70 | 1669 | 2679 |
| Baracbac | city | Ilocos Sur | Philippines | 16.97 | 120.46 | 259 | 26980 |
| Baraoas | city | Ilocos Sur | Philippines | 17.29 | 120.45 | 72 | 29630 |
| Barbar | city | Ilocos Sur | Philippines | 17.71 | 120.49 | 295 | 46926 |
| Barbar Sur | city | Ilocos Sur | Philippines | 17.71 | 120.49 | 295 | 46926 |
| Barbarit | city | Ilocos Sur | Philippines | 17.71 | 120.45 | 98 | 48770 |
| Baricil | city | Ilocos Sur | Philippines | 17.88 | 120.46 | 91 | 25490 |
| Barikir | city | Ilocos Sur | Philippines | 17.32 | 120.51 | 830 | 25505 |
| Barikir | city | Ilocos Sur | Philippines | 17.90 | 120.45 | 3 | 21303 |
| Baringcocorong | city | Ilocos Sur | Philippines | 16.97 | 120.47 | 246 | 30388 |
| Baringcucurong | city | Ilocos Sur | Philippines | 16.97 | 120.47 | 246 | 30388 |
| Barioan | city | Ilocos Sur | Philippines | 16.95 | 120.46 | 187 | 31830 |
| Bariquir | city | Ilocos Sur | Philippines | 17.88 | 120.46 | 91 | 25490 |
| Barraca | city | Ilocos Sur | Philippines | 17.55 | 120.36 | 16 | 65922 |
| Bartkir | city | Ilocos Sur | Philippines | 17.32 | 120.51 | 830 | 25505 |
| Basig | city | Ilocos Sur | Philippines | 16.82 | 120.52 | 830 | 14548 |
| Basiing | city | Ilocos Sur | Philippines | 17.61 | 120.39 | 16 | 66105 |
| Basud | city | Ilocos Sur | Philippines | 17.53 | 120.45 | 121 | 52693 |
| Basug | city | Ilocos Sur | Philippines | 17.53 | 120.45 | 121 | 52693 |
| Basup | city | Ilocos Sur | Philippines | 17.53 | 120.45 | 121 | 52693 |
| Batacbu | city | Ilocos Sur | Philippines | 16.96 | 120.69 | 4189 | 6129 |
| Batan | city | Ilocos Sur | Philippines | 17.81 | 120.51 | 830 | 26082 |
| Batangen | city | Ilocos Sur | Philippines | 17.05 | 120.58 | 1866 | 6352 |
| Batayan | city | Ilocos Sur | Philippines | 16.91 | 120.57 | 1669 | 7871 |
| Batbato | city | Ilocos Sur | Philippines | 16.91 | 120.56 | 2093 | 10959 |
| Bato | city | Ilocos Sur | Philippines | 17.33 | 120.50 | 55 | 31636 |
| Bauguen | city | Ilocos Sur | Philippines | 17.15 | 120.54 | 347 | 26323 |
| Bayabas | city | Ilocos Sur | Philippines | 17.25 | 120.46 | 82 | 37203 |
| Baybay | city | Ilocos Sur | Philippines | 17.06 | 120.45 | 88 | 32559 |
| Baybayading | city | Ilocos Sur | Philippines | 17.15 | 120.53 | 104 | 30554 |
| Bayubay Norte | city | Ilocos Sur | Philippines | 17.59 | 120.38 | 16 | 87199 |
| Bayubay Sur | city | Ilocos Sur | Philippines | 17.58 | 120.37 | 16 | 80153 |
| Bayugao | city | Ilocos Sur | Philippines | 17.06 | 120.45 | 88 | 32559 |
| Becques | city | Ilocos Sur | Philippines | 16.98 | 120.45 | 118 | 23478 |
| Beddeng | city | Ilocos Sur | Philippines | 17.56 | 120.39 | 16 | 92581 |
| Beddeng Daya | city | Ilocos Sur | Philippines | 17.56 | 120.39 | 16 | 93053 |
| Beddeng Laud | city | Ilocos Sur | Philippines | 17.56 | 120.39 | 16 | 92581 |
| Belen | city | Ilocos Sur | Philippines | 17.62 | 120.38 | 16 | 50354 |
| Belensagneb | city | Ilocos Sur | Philippines | 17.61 | 120.45 | 137 | 60286 |
| BengNgang | city | Ilocos Sur | Philippines | 17.35 | 120.46 | 62 | 29044 |
| Besalan | city | Ilocos Sur | Philippines | 17.10 | 120.49 | 104 | 49879 |
| Besang | city | Ilocos Sur | Philippines | 17.81 | 120.44 | 26 | 40739 |
| Bessang | city | Ilocos Sur | Philippines | 16.99 | 120.67 | 2624 | 4788 |
| Bessang | city | Ilocos Sur | Philippines | 17.29 | 120.53 | 830 | 18903 |
| Beto | city | Ilocos Sur | Philippines | 17.00 | 120.52 | 1020 | 17731 |
| Biao | city | Ilocos Sur | Philippines | 17.38 | 120.46 | 0 | 32872 |
| Bical | city | Ilocos Sur | Philippines | 17.14 | 120.44 | 68 | 40069 |
| Bidbiday | city | Ilocos Sur | Philippines | 17.18 | 120.47 | 95 | 51393 |
| Biejo | city | Ilocos Sur | Philippines | 16.92 | 120.46 | 42 | 43853 |
| Big-Big | city | Ilocos Sur | Philippines | 17.31 | 120.45 | 180 | 26122 |
| Bigbiga | city | Ilocos Sur | Philippines | 17.31 | 120.45 | 180 | 26122 |
| Bilig | city | Ilocos Sur | Philippines | 16.83 | 120.58 | 1968 | 3576 |
| Bimmanga | city | Ilocos Sur | Philippines | 16.95 | 120.43 | 114 | 23758 |
| Bimmontoo | city | Ilocos Sur | Philippines | 17.26 | 120.55 | 1056 | 14479 |
| Binacud | city | Ilocos Sur | Philippines | 17.87 | 120.45 | 78 | 25781 |
| Binalayangan | city | Ilocos Sur | Philippines | 17.64 | 120.38 | 16 | 34562 |
| Bingngan | city | Ilocos Sur | Philippines | 17.63 | 120.44 | 85 | 54871 |
| Binongan | city | Ilocos Sur | Philippines | 17.63 | 120.44 | 85 | 54871 |
| Bique | city | Ilocos Sur | Philippines | 17.29 | 120.53 | 164 | 18903 |
| Biqui | city | Ilocos Sur | Philippines | 17.29 | 120.53 | 164 | 18903 |
| Bisangol | city | Ilocos Sur | Philippines | 17.24 | 120.48 | 59 | 34985 |
| Bitalag | city | Ilocos Sur | Philippines | 16.97 | 120.46 | 246 | 26980 |
| Bitbitnong | city | Ilocos Sur | Philippines | 17.34 | 120.51 | 124 | 32652 |
| Bitlingan | city | Ilocos Sur | Philippines | 16.93 | 120.70 | 5413 | 6357 |
| Bitong | city | Ilocos Sur | Philippines | 17.18 | 120.47 | 95 | 51393 |
| Bolingaoan | city | Ilocos Sur | Philippines | 17.22 | 120.45 | 75 | 39501 |
| Bong | city | Ilocos Sur | Philippines | 17.62 | 120.43 | 72 | 66403 |
| Bongotokan | city | Ilocos Sur | Philippines | 17.57 | 120.40 | 16 | 99409 |
| Bongro | city | Ilocos Sur | Philippines | 17.82 | 120.45 | 49 | 37170 |
| Bongro | city | Ilocos Sur | Philippines | 17.62 | 120.43 | 72 | 66403 |
| Bongtolan | city | Ilocos Sur | Philippines | 17.57 | 120.40 | 16 | 99409 |
| Borayoc | city | Ilocos Sur | Philippines | 17.62 | 120.47 | 252 | 41650 |
| Borobor | city | Ilocos Sur | Philippines | 17.65 | 120.44 | 88 | 53796 |
| Borono | city | Ilocos Sur | Philippines | 16.97 | 120.45 | 131 | 25164 |
| Bossot | city | Ilocos Sur | Philippines | 17.13 | 120.60 | 830 | 5404 |
| Bossot | city | Ilocos Sur | Philippines | 17.12 | 120.62 | 1794 | 4300 |
| Bosug | city | Ilocos Sur | Philippines | 17.53 | 120.45 | 121 | 52693 |
| Botabot | city | Ilocos Sur | Philippines | 17.71 | 120.42 | 29 | 36268 |
| Botarag | city | Ilocos Sur | Philippines | 17.13 | 120.60 | 830 | 5404 |
| Botol | city | Ilocos Sur | Philippines | 17.24 | 120.42 | 127 | 28823 |
| Buang | city | Ilocos Sur | Philippines | 17.24 | 120.59 | 882 | 8078 |
| Bucalag | city | Ilocos Sur | Philippines | 17.49 | 120.43 | 3 | 33789 |
| Bucao | city | Ilocos Sur | Philippines | 16.92 | 120.45 | 226 | 39874 |
| Bucao East | city | Ilocos Sur | Philippines | 16.92 | 120.45 | 226 | 39874 |
| Bucao West | city | Ilocos Sur | Philippines | 16.92 | 120.45 | 42 | 39874 |
| Bucnit | city | Ilocos Sur | Philippines | 17.08 | 120.72 | 1669 | 2790 |
| Bugbuga | city | Ilocos Sur | Philippines | 17.08 | 120.49 | 262 | 45249 |
| Bugnay | city | Ilocos Sur | Philippines | 17.82 | 120.44 | 52 | 36266 |
| Bugui | city | Ilocos Sur | Philippines | 17.25 | 120.55 | 830 | 13240 |
| Buguibog | city | Ilocos Sur | Philippines | 17.15 | 120.53 | 104 | 30554 |
| Bul-bul-luacan | city | Ilocos Sur | Philippines | 17.13 | 120.50 | 164 | 47788 |
| Bulag | city | Ilocos Sur | Philippines | 17.58 | 120.38 | 16 | 88775 |
| Bulag | city | Ilocos Sur | Philippines | 17.59 | 120.43 | 16 | 79156 |
| Bulag Este | city | Ilocos Sur | Philippines | 17.59 | 120.43 | 16 | 79156 |
| Bulag Norte | city | Ilocos Sur | Philippines | 17.59 | 120.43 | 16 | 79156 |
| Bulag Oeste | city | Ilocos Sur | Philippines | 17.59 | 120.41 | 16 | 89135 |
| Bulag Sentro | city | Ilocos Sur | Philippines | 17.59 | 120.43 | 16 | 79156 |
| Bulag Sur | city | Ilocos Sur | Philippines | 17.59 | 120.41 | 16 | 89135 |
| Bulag West | city | Ilocos Sur | Philippines | 17.59 | 120.41 | 16 | 89135 |
| Bulala | city | Ilocos Sur | Philippines | 17.56 | 120.36 | 16 | 70259 |
| Bulala | city | Ilocos Sur | Philippines | 16.95 | 120.57 | 2509 | 8831 |
| Bulanos | city | Ilocos Sur | Philippines | 17.43 | 120.46 | 68 | 35836 |
| Bulbulala | city | Ilocos Sur | Philippines | 17.27 | 120.45 | 830 | 32200 |
| Bulbuluacan | city | Ilocos Sur | Philippines | 17.13 | 120.50 | 164 | 47788 |
| Buliclic | city | Ilocos Sur | Philippines | 17.12 | 120.45 | 45 | 46625 |
| Bungro | city | Ilocos Sur | Philippines | 17.62 | 120.43 | 72 | 66403 |
| Bungro | city | Ilocos Sur | Philippines | 17.82 | 120.45 | 49 | 37170 |
| Buquig | city | Ilocos Sur | Philippines | 17.58 | 120.40 | 16 | 96406 |
| Burgos | city | Ilocos Sur | Philippines | 17.33 | 120.50 | 82 | 33540 |
| Buselbusel | city | Ilocos Sur | Philippines | 17.31 | 120.44 | 108 | 22626 |
| Busiing | city | Ilocos Sur | Philippines | 17.61 | 120.39 | 16 | 66105 |
| Busiing Centro | city | Ilocos Sur | Philippines | 17.62 | 120.38 | 16 | 50354 |
| Busiing Norte | city | Ilocos Sur | Philippines | 17.61 | 120.39 | 16 | 66105 |
| Busiing Sur | city | Ilocos Sur | Philippines | 17.61 | 120.38 | 16 | 66105 |
| Bussot | city | Ilocos Sur | Philippines | 17.12 | 120.62 | 1794 | 4300 |
| Butac | city | Ilocos Sur | Philippines | 16.95 | 120.60 | 1161 | 5563 |
| Butbutigui | city | Ilocos Sur | Philippines | 16.96 | 120.58 | 1669 | 7048 |
| Butbutique | city | Ilocos Sur | Philippines | 16.96 | 120.58 | 1669 | 7048 |
| Butic | city | Ilocos Sur | Philippines | 17.38 | 120.50 | 108 | 47176 |
| Butir | city | Ilocos Sur | Philippines | 17.38 | 120.50 | 108 | 47176 |
| Butol | city | Ilocos Sur | Philippines | 17.24 | 120.42 | 127 | 28823 |
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