| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Saidalapitiya | city | North Western Province | Sri Lanka | 7.6166667 | 79.8 | 6 | 19429 |
| Saldalpitiya | city | North Western Province | Sri Lanka | 7.6166667 | 79.8 | 6 | 19429 |
| Samaderapitiyal | city | North Western Province | Sri Lanka | 7.75 | 80.1166667 | 200 | 45396 |
| Samagigama | city | North Western Province | Sri Lanka | 7.8166667 | 79.8333333 | 49 | 23868 |
| Samagiriyawewa | city | North Western Province | Sri Lanka | 7.85 | 80.2833333 | 410 | 45382 |
| Samativadi | city | North Western Province | Sri Lanka | 8.1833333 | 79.7333333 | 26 | 10846 |
| Samatiwadi | city | North Western Province | Sri Lanka | 8.1833333 | 79.7333333 | 26 | 10846 |
| Sambukkulam | city | North Western Province | Sri Lanka | 8.0833333 | 79.7333333 | 0 | 9544 |
| Sambukulam | city | North Western Province | Sri Lanka | 8.0833333 | 79.7333333 | 0 | 9544 |
| Sameeragama | city | North Western Province | Sri Lanka | 7.8833333 | 79.7833333 | 32 | 17541 |
| Sana Toduwa | city | North Western Province | Sri Lanka | 7.9166667 | 79.75 | 0 | 17402 |
| Sandanangama | city | North Western Province | Sri Lanka | 7.4166667 | 79.9 | 55 | 34327 |
| Sandanankulama | city | North Western Province | Sri Lanka | 8 | 80.05 | 200 | 30327 |
| Sandarakkotuwa | city | North Western Province | Sri Lanka | 7.8 | 80.0166667 | 187 | 40108 |
| Sandichena | city | North Western Province | Sri Lanka | 7.9 | 79.8333333 | 42 | 26519 |
| Sangappale | city | North Western Province | Sri Lanka | 8.0333333 | 80.2 | 295 | 43692 |
| Sangappale Kumbukwewa | city | North Western Province | Sri Lanka | 8.0333333 | 80.2 | 295 | 43692 |
| Sangattikulama | city | North Western Province | Sri Lanka | 7.8166667 | 79.9833333 | 180 | 34460 |
| Sangutatane | city | North Western Province | Sri Lanka | 7.5833333 | 79.8 | 16 | 20037 |
| Sanguthtattana | city | North Western Province | Sri Lanka | 7.5833333 | 79.8 | 16 | 20037 |
| Sangutthattane | city | North Western Province | Sri Lanka | 7.5833333 | 79.8 | 16 | 20037 |
| Sankadayagama | city | North Western Province | Sri Lanka | 7.9166667 | 80.0333333 | 229 | 30459 |
| Santhiakally | city | North Western Province | Sri Lanka | 7.8277778 | 79.8286111 | 39 | 23868 |
| Santiakali | city | North Western Province | Sri Lanka | 7.8277778 | 79.8286111 | 39 | 23868 |
| Santiakalli | city | North Western Province | Sri Lanka | 7.8277778 | 79.8286111 | 39 | 23868 |
| Santiyakalli | city | North Western Province | Sri Lanka | 7.8277778 | 79.8286111 | 39 | 23868 |
| Sedarawela | city | North Western Province | Sri Lanka | 7.5666667 | 79.8166667 | 29 | 20037 |
| Sedaraweli | city | North Western Province | Sri Lanka | 7.5666667 | 79.8166667 | 29 | 20037 |
| Seguwantivu | city | North Western Province | Sri Lanka | 8.0833333 | 79.8166667 | 16 | 14366 |
| Sellankandal | city | North Western Province | Sri Lanka | 8.0333333 | 79.9 | 104 | 29996 |
| Sellaperumagama | city | North Western Province | Sri Lanka | 7.8666667 | 80.3166667 | 439 | 45382 |
| Sellaperumagana | city | North Western Province | Sri Lanka | 7.8666667 | 80.3166667 | 439 | 45382 |
| Semairippuwa | city | North Western Province | Sri Lanka | 7.5333333 | 79.8166667 | 9 | 19290 |
| Semairrippuwa | city | North Western Province | Sri Lanka | 7.5333333 | 79.8166667 | 9 | 19290 |
| Sembagama | city | North Western Province | Sri Lanka | 7.9166667 | 80 | 193 | 30459 |
| Sembattai | city | North Western Province | Sri Lanka | 7.9166667 | 79.8333333 | 52 | 24486 |
| Sembettai | city | North Western Province | Sri Lanka | 7.9166667 | 79.8333333 | 52 | 24486 |
| Sembukattiya | city | North Western Province | Sri Lanka | 7.5166667 | 79.85 | 49 | 29754 |
| Sembukuliya | city | North Western Province | Sri Lanka | 7.8 | 79.85 | 68 | 30022 |
| Sembukuliya | city | North Western Province | Sri Lanka | 7.8597222 | 79.9047222 | 104 | 30020 |
| Sembuwawewa | city | North Western Province | Sri Lanka | 7.4333333 | 80.2333333 | 590 | 45427 |
| Sendiriyamulla | city | North Western Province | Sri Lanka | 7.3 | 79.9333333 | 91 | 71246 |
| Sendiriyapitiya | city | North Western Province | Sri Lanka | 7.5 | 80.3333333 | 449 | 45424 |
| Sengaloya | city | North Western Province | Sri Lanka | 7.6833333 | 79.8333333 | 22 | 18610 |
| Sengavelliya | city | North Western Province | Sri Lanka | 7.6833333 | 79.85 | 39 | 28094 |
| Sengelena | city | North Western Province | Sri Lanka | 7.4833333 | 80.4666667 | 610 | 46196 |
| Serangoda | city | North Western Province | Sri Lanka | 7.6833333 | 80.3166667 | 400 | 45400 |
| Serugolla | city | North Western Province | Sri Lanka | 7.4166667 | 80.25 | 820 | 45427 |
| Serugolla | city | North Western Province | Sri Lanka | 7.6833333 | 80.3 | 337 | 45400 |
| Serukele | city | North Western Province | Sri Lanka | 7.7333333 | 79.9166667 | 65 | 33466 |
| Serumurewewa | city | North Western Province | Sri Lanka | 7.8666667 | 80.2333333 | 351 | 45382 |
| Seruwangoda | city | North Western Province | Sri Lanka | 7.4166667 | 80.1 | 321 | 45427 |
| Seruwawa | city | North Western Province | Sri Lanka | 7.5833333 | 80.3333333 | 485 | 45414 |
| Setapolai | city | North Western Province | Sri Lanka | 7.9666667 | 79.7833333 | 22 | 13748 |
| Sewendana | city | North Western Province | Sri Lanka | 7.2833333 | 79.95 | 39 | 122005 |
| Sewendana | city | North Western Province | Sri Lanka | 7.35 | 80.2166667 | 387 | 46131 |
| Sewendana | city | North Western Province | Sri Lanka | 7.4166667 | 80.25 | 820 | 45427 |
| Sewendena | city | North Western Province | Sri Lanka | 7.35 | 80.2166667 | 387 | 46131 |
| Sewendera | city | North Western Province | Sri Lanka | 7.4166667 | 80.25 | 820 | 45427 |
| Silva Town | city | North Western Province | Sri Lanka | 7.5 | 79.8333333 | 22 | 17141 |
| Silwatgama | city | North Western Province | Sri Lanka | 7.6 | 80.05 | 321 | 45410 |
| Sima Toduwa | city | North Western Province | Sri Lanka | 7.9666667 | 79.75 | 22 | 13748 |
| Simatoduwawa | city | North Western Province | Sri Lanka | 7.9666667 | 79.75 | 22 | 13748 |
| Simaveli North | city | North Western Province | Sri Lanka | 8.0666667 | 79.8333333 | 29 | 14366 |
| Simaveli South | city | North Western Province | Sri Lanka | 8.0666667 | 79.8333333 | 29 | 14366 |
| Sindathiri | city | North Western Province | Sri Lanka | 7.2833333 | 79.85 | 6 | 68962 |
| Singakkuliya | city | North Western Province | Sri Lanka | 7.3 | 79.9333333 | 91 | 71246 |
| Singandaluwa | city | North Western Province | Sri Lanka | 7.7333333 | 80.0333333 | 134 | 43689 |
| Singharagama | city | North Western Province | Sri Lanka | 7.8666667 | 80.25 | 370 | 45382 |
| Sinhala Detilianga | city | North Western Province | Sri Lanka | 7.5333333 | 80.4666667 | 436 | 45421 |
| Sinhala Detiliange | city | North Western Province | Sri Lanka | 7.5333333 | 80.4666667 | 436 | 45421 |
| Sinhala Ihalagama | city | North Western Province | Sri Lanka | 7.8166667 | 80 | 187 | 40108 |
| Sinhala Kallanchiya | city | North Western Province | Sri Lanka | 7.75 | 80.0166667 | 141 | 43689 |
| Sinhala Mudunduwa | city | North Western Province | Sri Lanka | 7.5333333 | 80.4666667 | 436 | 45421 |
| Sinharagama | city | North Western Province | Sri Lanka | 7.8666667 | 80.25 | 370 | 45382 |
| Sinna Chembukuliya | city | North Western Province | Sri Lanka | 7.8 | 79.8166667 | 6 | 23868 |
| Sinna Kattakaduwa | city | North Western Province | Sri Lanka | 7.8833333 | 79.9166667 | 154 | 30017 |
| Sinna Ottapanai | city | North Western Province | Sri Lanka | 7.8166667 | 79.7833333 | 16 | 12311 |
| Sinnachariyagama | city | North Western Province | Sri Lanka | 7.9166667 | 80.3166667 | 354 | 45372 |
| Sinnakudirippu | city | North Western Province | Sri Lanka | 8.2333333 | 79.7666667 | 0 | 12215 |
| Sinnasembukuliya | city | North Western Province | Sri Lanka | 7.8 | 79.8166667 | 6 | 23868 |
| Sippikalana | city | North Western Province | Sri Lanka | 7.6166667 | 79.8833333 | 29 | 35247 |
| Siradunna | city | North Western Province | Sri Lanka | 7.6 | 80.3333333 | 462 | 45410 |
| Siradunna | city | North Western Province | Sri Lanka | 7.6 | 80.4166667 | 721 | 45410 |
| Siradunna | city | North Western Province | Sri Lanka | 7.45 | 80.45 | 495 | 47245 |
| Sirambiyadi | city | North Western Province | Sri Lanka | 8.0333333 | 79.8666667 | 91 | 24622 |
| Sirangoda | city | North Western Province | Sri Lanka | 7.6833333 | 80.3166667 | 400 | 45400 |
| Sirigampola | city | North Western Province | Sri Lanka | 7.3833333 | 79.8666667 | 36 | 23577 |
| Siripella | city | North Western Province | Sri Lanka | 7.3833333 | 80.0333333 | 154 | 45431 |
| Sittamadama | city | North Western Province | Sri Lanka | 7.6166667 | 79.8166667 | 9 | 19429 |
| Sittaraveli | city | North Western Province | Sri Lanka | 8.0666667 | 79.85 | 82 | 26000 |
| Siwallawa | city | North Western Province | Sri Lanka | 7.5333333 | 80.2666667 | 583 | 45420 |
| Siwallawagedara | city | North Western Province | Sri Lanka | 7.5166667 | 80.2666667 | 511 | 45420 |
| Siyabalagaswewa | city | North Western Province | Sri Lanka | 7.7666667 | 80.3333333 | 351 | 45392 |
| Siyambalaella | city | North Western Province | Sri Lanka | 7.5 | 80.55 | 1112 | 43111 |
| Siyambalagahawewa | city | North Western Province | Sri Lanka | 7.8333333 | 80.2333333 | 351 | 45386 |
| Siyambalagama | city | North Western Province | Sri Lanka | 8.0666667 | 80.25 | 360 | 43645 |
| Siyambalagaskotuwa | city | North Western Province | Sri Lanka | 7.5 | 80.2 | 600 | 45424 |
| Siyambalagasruppa | city | North Western Province | Sri Lanka | 7.5 | 79.9166667 | 49 | 41510 |
| Siyambalagaswatta | city | North Western Province | Sri Lanka | 7.65 | 80.2 | 344 | 45406 |
| Siyambalagaswela | city | North Western Province | Sri Lanka | 7.5166667 | 79.8333333 | 26 | 19290 |
| Siyambalagaswetiya | city | North Western Province | Sri Lanka | 7.6833333 | 80.1166667 | 206 | 45400 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 7.75 | 79.9333333 | 121 | 33466 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 7.9 | 79.95 | 173 | 30017 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 8.1 | 80.15 | 246 | 41310 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 7.65 | 80.1666667 | 291 | 45406 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 7.65 | 80.1833333 | 318 | 45406 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 7.7666667 | 80.3333333 | 351 | 45392 |
| Siyambalagaswewa | city | North Western Province | Sri Lanka | 7.9333333 | 80.3666667 | 770 | 45319 |
| Siyambalagaswitiya | city | North Western Province | Sri Lanka | 7.6833333 | 80.1166667 | 206 | 45400 |
| Siyambalagedara | city | North Western Province | Sri Lanka | 7.7166667 | 80.3 | 321 | 45396 |
| Siyambalagedera | city | North Western Province | Sri Lanka | 7.7166667 | 80.3 | 321 | 45396 |
| Siyambalakadawara | city | North Western Province | Sri Lanka | 7.6166667 | 80.15 | 288 | 45410 |
| Siyambalakele | city | North Western Province | Sri Lanka | 7.6333333 | 80.2833333 | 377 | 45406 |
| Siyambalangamuwa | city | North Western Province | Sri Lanka | 7.5333333 | 80.35 | 505 | 45420 |
| Siyambalangamuwa | city | North Western Province | Sri Lanka | 7.6666667 | 80.4833333 | 597 | 44703 |
| Siyambalangamuwa | city | North Western Province | Sri Lanka | 7.4 | 80.5 | 980 | 67441 |
| Siyambalangomuwa | city | North Western Province | Sri Lanka | 7.55 | 80.2 | 406 | 45414 |
| Siyambalangomuwa | city | North Western Province | Sri Lanka | 7.45 | 80.4833333 | 958 | 51300 |
| Siyambalangomuwa | city | North Western Province | Sri Lanka | 7.6666667 | 80.4833333 | 597 | 44703 |
| Siyambalanwatta | city | North Western Province | Sri Lanka | 7.6666667 | 80.4833333 | 597 | 44703 |
| Siyambalapitiya | city | North Western Province | Sri Lanka | 7.2833333 | 80.2 | 367 | 92635 |
| Siyambalawa | city | North Western Province | Sri Lanka | 8 | 80 | 180 | 30010 |
| Siyambalawa | city | North Western Province | Sri Lanka | 8.1333333 | 80.1 | 180 | 35039 |
| Siyambalawa | city | North Western Province | Sri Lanka | 8.0166667 | 80.2833333 | 321 | 45359 |
| Siyambalawa | city | North Western Province | Sri Lanka | 7.7 | 80.3333333 | 396 | 45400 |
| Siyambalawalana | city | North Western Province | Sri Lanka | 7.35 | 80.1166667 | 232 | 60143 |
| Siyambalawatta | city | North Western Province | Sri Lanka | 7.9166667 | 80.0666667 | 229 | 32623 |
| Siyambalawehera | city | North Western Province | Sri Lanka | 7.4333333 | 80.2833333 | 544 | 45427 |
| Siyambalawela | city | North Western Province | Sri Lanka | 7.65 | 80.05 | 157 | 45406 |
| Siyambalawewa | city | North Western Province | Sri Lanka | 7.65 | 79.9666667 | 98 | 44164 |
| Siyambalawewa | city | North Western Province | Sri Lanka | 7.5666667 | 80.15 | 538 | 45414 |
| Siyambalawewa | city | North Western Province | Sri Lanka | 7.7 | 80.3166667 | 328 | 45400 |
| Siyambalawewa | city | North Western Province | Sri Lanka | 7.7 | 80.3333333 | 396 | 45400 |
| Siyambalawewa | city | North Western Province | Sri Lanka | 7.8 | 80.4333333 | 475 | 43223 |
| Siyambalella | city | North Western Province | Sri Lanka | 7.5 | 80.55 | 1112 | 43111 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.9 | 79.9333333 | 167 | 30017 |
| Siyambalewa | city | North Western Province | Sri Lanka | 8 | 80 | 180 | 30010 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.8166667 | 80.0166667 | 196 | 40108 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.65 | 80.05 | 157 | 45406 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.9 | 80.0666667 | 236 | 37101 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.9833333 | 80.15 | 226 | 39249 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.7666667 | 80.2 | 278 | 45392 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.7 | 80.3333333 | 396 | 45400 |
| Siyambalewa | city | North Western Province | Sri Lanka | 7.9 | 80.4333333 | 495 | 37452 |
| Siyamblawewa | city | North Western Province | Sri Lanka | 7.9 | 80.4333333 | 495 | 37452 |
| Siyapola | city | North Western Province | Sri Lanka | 7.4833333 | 80.1166667 | 613 | 45424 |
| Sohonkalma | city | North Western Province | Sri Lanka | 7.9 | 79.9 | 157 | 30017 |
| Sohonkulama | city | North Western Province | Sri Lanka | 7.9 | 79.9 | 157 | 30017 |
| Soorakkulama | city | North Western Province | Sri Lanka | 7.8 | 79.95 | 160 | 30509 |
| Soorukkulama | city | North Western Province | Sri Lanka | 7.8 | 79.95 | 160 | 30509 |
| Sottupitiyawadi | city | North Western Province | Sri Lanka | 8.1333333 | 79.7333333 | 0 | 9940 |
| Subasingama | city | North Western Province | Sri Lanka | 7.8 | 80.4166667 | 498 | 43223 |
| Sundapola | city | North Western Province | Sri Lanka | 7.5166667 | 80.3666667 | 659 | 45420 |
| Sundaragama | city | North Western Province | Sri Lanka | 7.7 | 80.2 | 265 | 45400 |
| Sunderagama | city | North Western Province | Sri Lanka | 7.7 | 80.2 | 265 | 45400 |
| Suniiagama | city | North Western Province | Sri Lanka | 7.35 | 80.3333333 | 495 | 52278 |
| Surakkulama | city | North Western Province | Sri Lanka | 7.8 | 79.95 | 160 | 30509 |
| Suriwayal | city | North Western Province | Sri Lanka | 7.9166667 | 79.8 | 13 | 24486 |
| Suriyagoda | city | North Western Province | Sri Lanka | 7.5833333 | 80.2333333 | 433 | 45414 |
| Surukkulama | city | North Western Province | Sri Lanka | 7.8 | 79.95 | 160 | 30509 |
| Suruwila | city | North Western Province | Sri Lanka | 7.7166667 | 79.8 | 13 | 20063 |
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