| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sabaan | city | Ilocos Sur | Philippines | 16.99 | 120.70 | 1669 | 5487 |
| Sabaan | city | Ilocos Sur | Philippines | 17.01 | 120.70 | 1998 | 5024 |
| Sabahganr | city | Ilocos Sur | Philippines | 17.29 | 120.44 | 29 | 26748 |
| Sabang | city | Ilocos Sur | Philippines | 17.79 | 120.41 | 39 | 21799 |
| Sabangan | city | Ilocos Sur | Philippines | 17.74 | 120.44 | 22 | 45392 |
| Sabangan | city | Ilocos Sur | Philippines | 17.86 | 120.45 | 101 | 24502 |
| Sabangan | city | Ilocos Sur | Philippines | 17.29 | 120.44 | 29 | 26748 |
| Sabangan | city | Ilocos Sur | Philippines | 17.70 | 120.41 | 19 | 31901 |
| Sabangan Bato | city | Ilocos Sur | Philippines | 17.18 | 120.47 | 95 | 51393 |
| Sabangan Buaya | city | Ilocos Sur | Philippines | 17.74 | 120.44 | 22 | 45392 |
| Sabangan Pingan | city | Ilocos Sur | Philippines | 17.29 | 120.52 | 134 | 20867 |
| Sabuanan | city | Ilocos Sur | Philippines | 17.15 | 120.44 | 59 | 40069 |
| Sacaang | city | Ilocos Sur | Philippines | 17.20 | 120.49 | 232 | 38209 |
| Sacang | city | Ilocos Sur | Philippines | 17.20 | 120.49 | 232 | 38209 |
| Sacpil | city | Ilocos Sur | Philippines | 17.80 | 121.32 | 285 | 4504 |
| Sacuga | city | Ilocos Sur | Philippines | 17.54 | 120.45 | 209 | 53623 |
| Sacuya Norte | city | Ilocos Sur | Philippines | 17.54 | 120.45 | 209 | 53623 |
| Sacuyya | city | Ilocos Sur | Philippines | 17.54 | 120.45 | 209 | 53623 |
| Sacuyya Norte | city | Ilocos Sur | Philippines | 17.54 | 120.45 | 209 | 53623 |
| Sacuyya Sur | city | Ilocos Sur | Philippines | 17.54 | 120.45 | 209 | 58311 |
| Sagat | city | Ilocos Sur | Philippines | 17.06 | 120.45 | 55 | 30398 |
| Sagayaden | city | Ilocos Sur | Philippines | 17.68 | 120.45 | 150 | 45475 |
| Sagayaden | city | Ilocos Sur | Philippines | 17.77 | 120.45 | 82 | 55521 |
| Sagneb | city | Ilocos Sur | Philippines | 17.62 | 120.38 | 16 | 50354 |
| Sagpat | city | Ilocos Sur | Philippines | 17.60 | 120.38 | 16 | 71632 |
| Sagsagat | city | Ilocos Sur | Philippines | 17.63 | 120.38 | 26 | 43074 |
| Sal-lacong | city | Ilocos Sur | Philippines | 17.58 | 120.38 | 16 | 88775 |
| Salamague | city | Ilocos Sur | Philippines | 17.78 | 120.42 | 3 | 34708 |
| Salan | city | Ilocos Sur | Philippines | 17.82 | 120.51 | 232 | 25941 |
| Salcedo | city | Ilocos Sur | Philippines | 17.15 | 120.54 | 347 | 26323 |
| Salincob | city | Ilocos Sur | Philippines | 17.26 | 120.47 | 111 | 35552 |
| Salincub | city | Ilocos Sur | Philippines | 17.26 | 120.47 | 111 | 35552 |
| Salindeg | city | Ilocos Sur | Philippines | 17.55 | 120.37 | 16 | 78163 |
| Sallacapo | city | Ilocos Sur | Philippines | 17.84 | 120.48 | 147 | 36656 |
| Salomague | city | Ilocos Sur | Philippines | 17.78 | 120.42 | 3 | 34708 |
| Salvador | city | Ilocos Sur | Philippines | 17.23 | 120.48 | 154 | 37309 |
| Salvador Primero | city | Ilocos Sur | Philippines | 17.23 | 120.48 | 154 | 37309 |
| Salvador Segundo | city | Ilocos Sur | Philippines | 17.22 | 120.48 | 328 | 39937 |
| Salvec | city | Ilocos Sur | Philippines | 17.45 | 120.45 | 118 | 29571 |
| Sammaki | city | Ilocos Sur | Philippines | 17.42 | 120.46 | 78 | 42339 |
| Sampalingen | city | Ilocos Sur | Philippines | 17.22 | 120.49 | 164 | 36689 |
| Sampatingan | city | Ilocos Sur | Philippines | 17.22 | 120.49 | 164 | 36689 |
| San Agustin | city | Ilocos Sur | Philippines | 17.20 | 120.44 | 19 | 42453 |
| San Andres | city | Ilocos Sur | Philippines | 17.17 | 120.50 | 164 | 43575 |
| San Angustin | city | Ilocos Sur | Philippines | 17.20 | 120.44 | 19 | 42453 |
| San Antonio | city | Ilocos Sur | Philippines | 17.04 | 120.48 | 232 | 31592 |
| San Antonio | city | Ilocos Sur | Philippines | 17.41 | 120.48 | 82 | 48952 |
| San Carlos | city | Ilocos Sur | Philippines | 17.89 | 120.50 | 114 | 39369 |
| San Clemente de Nagtablaan | city | Ilocos Sur | Philippines | 17.12 | 120.47 | 124 | 52285 |
| San Clemente de Nagtablan | city | Ilocos Sur | Philippines | 17.12 | 120.47 | 124 | 52285 |
| San Elias | city | Ilocos Sur | Philippines | 17.05 | 120.57 | 2509 | 8090 |
| San Emilio | city | Ilocos Sur | Philippines | 17.23 | 120.61 | 1669 | 5515 |
| San Esteban | city | Ilocos Sur | Philippines | 17.33 | 120.45 | 111 | 24817 |
| San Gaspar | city | Ilocos Sur | Philippines | 17.15 | 120.53 | 104 | 30554 |
| San Ildefonso | city | Ilocos Sur | Philippines | 17.62 | 120.39 | 32 | 61387 |
| San Isidro | city | Ilocos Sur | Philippines | 17.73 | 120.43 | 29 | 38496 |
| San Isidro | city | Ilocos Sur | Philippines | 17.73 | 120.42 | 0 | 33482 |
| San Jose | city | Ilocos Sur | Philippines | 17.08 | 120.50 | 328 | 40007 |
| San Jose | city | Ilocos Sur | Philippines | 17.10 | 120.49 | 134 | 47688 |
| San Jose de Bugnay | city | Ilocos Sur | Philippines | 17.21 | 120.51 | 82 | 32280 |
| San Juan | city | Ilocos Sur | Philippines | 16.99 | 120.72 | 1669 | 5650 |
| San Juan | city | Ilocos Sur | Philippines | 17.11 | 120.45 | 45 | 40592 |
| San Juan | city | Ilocos Sur | Philippines | 17.74 | 120.46 | 55 | 53384 |
| San Julian | city | Ilocos Sur | Philippines | 17.58 | 120.38 | 16 | 88775 |
| San Julian | city | Ilocos Sur | Philippines | 17.57 | 120.40 | 16 | 98099 |
| San Julian Norte | city | Ilocos Sur | Philippines | 17.57 | 120.40 | 16 | 99409 |
| San Julian North | city | Ilocos Sur | Philippines | 17.57 | 120.40 | 16 | 99409 |
| San Julian Sur | city | Ilocos Sur | Philippines | 17.57 | 120.40 | 16 | 98099 |
| San Miguel | city | Ilocos Sur | Philippines | 17.54 | 120.41 | 16 | 83907 |
| San Miguel | city | Ilocos Sur | Philippines | 17.28 | 120.45 | 246 | 31093 |
| San Miguel | city | Ilocos Sur | Philippines | 16.93 | 120.44 | 187 | 34775 |
| San Miguel de Poro | city | Ilocos Sur | Philippines | 17.51 | 120.40 | 0 | 45715 |
| San Miguel de Puro | city | Ilocos Sur | Philippines | 17.51 | 120.40 | 0 | 45715 |
| San Nicolas | city | Ilocos Sur | Philippines | 17.19 | 120.44 | 29 | 43855 |
| San Nicolas | city | Ilocos Sur | Philippines | 17.33 | 120.44 | 164 | 24817 |
| San Pablo | city | Ilocos Sur | Philippines | 17.34 | 120.45 | 95 | 24886 |
| San Pablo | city | Ilocos Sur | Philippines | 17.42 | 120.47 | 78 | 47255 |
| San Pablo | city | Ilocos Sur | Philippines | 17.43 | 120.51 | 91 | 49999 |
| San Pedro | city | Ilocos Sur | Philippines | 16.95 | 120.44 | 124 | 24224 |
| San Pedro | city | Ilocos Sur | Philippines | 17.40 | 120.46 | 36 | 38604 |
| San Pedro | city | Ilocos Sur | Philippines | 17.07 | 120.48 | 131 | 40402 |
| San Pedro | city | Ilocos Sur | Philippines | 17.55 | 120.36 | 16 | 59172 |
| San Pedro | city | Ilocos Sur | Philippines | 17.20 | 120.45 | 39 | 45061 |
| San Pedro de Bulbuluacan | city | Ilocos Sur | Philippines | 17.13 | 120.50 | 104 | 51453 |
| San Quintin | city | Ilocos Sur | Philippines | 17.69 | 120.43 | 59 | 40164 |
| San Rafael | city | Ilocos Sur | Philippines | 17.33 | 120.45 | 134 | 24886 |
| San Ramon | city | Ilocos Sur | Philippines | 17.03 | 120.58 | 2509 | 3880 |
| San Rogue | city | Ilocos Sur | Philippines | 17.27 | 120.42 | 223 | 22515 |
| San Roman | city | Ilocos Sur | Philippines | 17.03 | 120.58 | 2509 | 3880 |
| San Sebastian | city | Ilocos Sur | Philippines | 17.62 | 120.36 | 19 | 36840 |
| San Sebastian Este | city | Ilocos Sur | Philippines | 17.62 | 120.36 | 19 | 36840 |
| San Vicente | city | Ilocos Sur | Philippines | 17.20 | 120.53 | 830 | 23395 |
| San Vicente | city | Ilocos Sur | Philippines | 17.27 | 120.53 | 830 | 18516 |
| San Vicente | city | Ilocos Sur | Philippines | 17.59 | 120.37 | 16 | 73892 |
| San Vincente | city | Ilocos Sur | Philippines | 17.59 | 120.37 | 16 | 73892 |
| Sangan | city | Ilocos Sur | Philippines | 17.80 | 120.48 | 82 | 43814 |
| Sanguspa | city | Ilocos Sur | Philippines | 17.15 | 120.53 | 104 | 30554 |
| Santa | city | Ilocos Sur | Philippines | 17.49 | 120.43 | 127 | 30863 |
| Santa Antigua | city | Ilocos Sur | Philippines | 17.55 | 120.42 | 16 | 89121 |
| Santa Catalina | city | Ilocos Sur | Philippines | 17.59 | 120.36 | 16 | 69327 |
| Santa Cruz | city | Ilocos Sur | Philippines | 17.66 | 120.40 | 45 | 39482 |
| Santa Cruz | city | Ilocos Sur | Philippines | 17.89 | 120.47 | 114 | 31578 |
| Santa Cruz | city | Ilocos Sur | Philippines | 17.09 | 120.45 | 62 | 39114 |
| Santa Cruz East | city | Ilocos Sur | Philippines | 17.89 | 120.47 | 114 | 31578 |
| Santa Cruz West | city | Ilocos Sur | Philippines | 17.88 | 120.45 | 78 | 21844 |
| Santa Lucia | city | Ilocos Sur | Philippines | 17.12 | 120.45 | 45 | 42492 |
| Santa Maria | city | Ilocos Sur | Philippines | 16.95 | 120.44 | 150 | 26900 |
| Santa Maria | city | Ilocos Sur | Philippines | 17.37 | 120.48 | 29 | 41138 |
| Santa María de Ilocos | city | Ilocos Sur | Philippines | 17.37 | 120.48 | 29 | 41138 |
| Santa Monica | city | Ilocos Sur | Philippines | 17.69 | 120.43 | 52 | 39419 |
| Santiago | city | Ilocos Sur | Philippines | 17.29 | 120.44 | 32 | 27899 |
| Santo Domingo | city | Ilocos Sur | Philippines | 17.64 | 120.41 | 42 | 53518 |
| Santo Rosario | city | Ilocos Sur | Philippines | 17.10 | 120.57 | 2509 | 12149 |
| Santo Tomas | city | Ilocos Sur | Philippines | 17.18 | 120.49 | 226 | 42768 |
| Santo Tomas | city | Ilocos Sur | Philippines | 17.64 | 120.45 | 265 | 49745 |
| Saoang | city | Ilocos Sur | Philippines | 17.73 | 120.43 | 29 | 38496 |
| Sapang | city | Ilocos Sur | Philippines | 17.19 | 120.48 | 88 | 48548 |
| Sapang | city | Ilocos Sur | Philippines | 17.14 | 120.47 | 134 | 52525 |
| Sapat | city | Ilocos Sur | Philippines | 17.83 | 120.47 | 88 | 38262 |
| Sapaxa | city | Ilocos Sur | Philippines | 16.88 | 120.54 | 830 | 14435 |
| Sapriana | city | Ilocos Sur | Philippines | 17.87 | 120.48 | 141 | 36618 |
| Sarioan | city | Ilocos Sur | Philippines | 17.12 | 120.54 | 830 | 29226 |
| Sarmingan | city | Ilocos Sur | Philippines | 17.46 | 120.53 | 88 | 31324 |
| Sevilla | city | Ilocos Sur | Philippines | 17.01 | 120.46 | 75 | 21336 |
| Sibsibbe | city | Ilocos Sur | Philippines | 17.30 | 120.58 | 830 | 10542 |
| Sibsibbo | city | Ilocos Sur | Philippines | 17.30 | 120.58 | 830 | 10542 |
| Sibsibbu | city | Ilocos Sur | Philippines | 17.30 | 120.58 | 830 | 10542 |
| Sibsibo | city | Ilocos Sur | Philippines | 17.30 | 120.58 | 830 | 10542 |
| Sibsibu | city | Ilocos Sur | Philippines | 17.30 | 120.58 | 830 | 10542 |
| Sigay | city | Ilocos Sur | Philippines | 17.08 | 120.60 | 2050 | 5011 |
| Sigay | city | Ilocos Sur | Philippines | 17.05 | 120.58 | 2050 | 5420 |
| Silag | city | Ilocos Sur | Philippines | 17.36 | 120.51 | 164 | 41000 |
| Simaay | city | Ilocos Sur | Philippines | 17.62 | 120.38 | 16 | 50354 |
| Similong | city | Ilocos Sur | Philippines | 17.41 | 120.49 | 65 | 53444 |
| Simmanglay | city | Ilocos Sur | Philippines | 17.62 | 120.38 | 16 | 50354 |
| Sinabaan | city | Ilocos Sur | Philippines | 17.59 | 120.42 | 16 | 84490 |
| Sinabaan | city | Ilocos Sur | Philippines | 17.59 | 120.36 | 16 | 69327 |
| Sinait | city | Ilocos Sur | Philippines | 17.87 | 120.46 | 88 | 26502 |
| Singa | city | Ilocos Sur | Philippines | 16.89 | 120.60 | 2864 | 5149 |
| Singlan | city | Ilocos Sur | Philippines | 17.03 | 120.57 | 1968 | 5214 |
| Sisim | city | Ilocos Sur | Philippines | 17.77 | 120.48 | 114 | 52636 |
| Sived | city | Ilocos Sur | Philippines | 17.66 | 120.37 | 22 | 25613 |
| Siyudad na Vigan | city | Ilocos Sur | Philippines | 17.57 | 120.39 | 16 | 93880 |
| Solomague | city | Ilocos Sur | Philippines | 17.78 | 120.42 | 3 | 34708 |
| Solotsolot | city | Ilocos Sur | Philippines | 17.76 | 120.43 | 36 | 43434 |
| Solvec | city | Ilocos Sur | Philippines | 17.45 | 120.45 | 118 | 29571 |
| Sopot | city | Ilocos Sur | Philippines | 17.83 | 120.48 | 187 | 36415 |
| Sorioan | city | Ilocos Sur | Philippines | 17.12 | 120.54 | 830 | 29226 |
| Suagayan | city | Ilocos Sur | Philippines | 17.15 | 120.46 | 108 | 49429 |
| Subadi | city | Ilocos Sur | Philippines | 17.33 | 120.50 | 55 | 35153 |
| Subec | city | Ilocos Sur | Philippines | 17.58 | 120.35 | 16 | 47301 |
| Subec | city | Ilocos Sur | Philippines | 17.52 | 120.42 | 0 | 63653 |
| Sucoc | city | Ilocos Sur | Philippines | 16.93 | 120.46 | 170 | 38226 |
| Sucoc | city | Ilocos Sur | Philippines | 17.39 | 120.53 | 82 | 38663 |
| Sucoc | city | Ilocos Sur | Philippines | 17.60 | 120.47 | 830 | 41346 |
| Sucsucquit | city | Ilocos Sur | Philippines | 17.63 | 120.36 | 19 | 31449 |
| Sugpon | city | Ilocos Sur | Philippines | 16.84 | 120.52 | 830 | 19789 |
| Suksuquit | city | Ilocos Sur | Philippines | 17.63 | 120.36 | 19 | 31449 |
| Sulbec | city | Ilocos Sur | Philippines | 17.77 | 120.50 | 216 | 42651 |
| Sulvec | city | Ilocos Sur | Philippines | 17.45 | 120.45 | 118 | 29571 |
| Sumagu | city | Ilocos Sur | Philippines | 17.39 | 120.48 | 32 | 45598 |
| Sunggiam | city | Ilocos Sur | Philippines | 17.76 | 120.44 | 36 | 49442 |
| Sunggian | city | Ilocos Sur | Philippines | 17.76 | 120.44 | 36 | 49442 |
| Sungiam | city | Ilocos Sur | Philippines | 17.76 | 120.44 | 36 | 49442 |
| Supit | city | Ilocos Sur | Philippines | 17.83 | 120.48 | 114 | 38212 |
| Surngit | city | Ilocos Sur | Philippines | 17.78 | 120.43 | 42 | 46284 |
| Suso | city | Ilocos Sur | Philippines | 17.36 | 120.46 | 49 | 34759 |
| Suyo | city | Ilocos Sur | Philippines | 16.98 | 120.53 | 830 | 16635 |
| Suyo | city | Ilocos Sur | Philippines | 16.97 | 120.54 | 830 | 12536 |
| Suyo | city | Ilocos Sur | Philippines | 17.08 | 120.45 | 62 | 32476 |