| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Se-a-du | city | Northern Province | Sierra Leone | 9.45 | -10.9 | 1545 | 2343 |
| Seama | city | Eastern Province | Sierra Leone | 8.6166667 | -11.2666667 | 954 | 26671 |
| Sebengu | city | Southern Province | Sierra Leone | 7.0833333 | -11.6666667 | 137 | 2162 |
| Seberandu | city | Northern Province | Sierra Leone | 9.1333333 | -10.7833333 | 1945 | 2305 |
| Sedu | city | Eastern Province | Sierra Leone | 8.7333333 | -11.1 | 1148 | 26664 |
| Sedu | city | Eastern Province | Sierra Leone | 8.8833333 | -11.05 | 1400 | 26650 |
| Sedu | city | Eastern Province | Sierra Leone | 8.7666667 | -10.9666667 | 1302 | 26660 |
| Sedu | city | Eastern Province | Sierra Leone | 8.65 | -10.9166667 | 1476 | 26670 |
| Sedu | city | Eastern Province | Sierra Leone | 8.8833333 | -10.7166667 | 1804 | 23645 |
| Sedu | city | Eastern Province | Sierra Leone | 8.6 | -10.5833333 | 948 | 18393 |
| Sedukonkoma | city | Eastern Province | Sierra Leone | 8.7166667 | -11.1166667 | 1108 | 26664 |
| Sefadu | city | Eastern Province | Sierra Leone | 8.65 | -11 | 1368 | 26670 |
| Sefadu | city | Eastern Province | Sierra Leone | 8.65 | -10.9833333 | 1394 | 26670 |
| Sefadu | city | Eastern Province | Sierra Leone | 8.75 | -10.9 | 1400 | 26664 |
| Segbema | city | Eastern Province | Sierra Leone | 7.5177778 | -11.3391667 | 357 | 6669 |
| Segbwema | city | Southern Province | Sierra Leone | 7.7166667 | -12.2666667 | 190 | 4237 |
| Segbwema | city | Southern Province | Sierra Leone | 7.55 | -12.15 | 72 | 3780 |
| Segbwema | city | Southern Province | Sierra Leone | 7.7666667 | -11.8666667 | 118 | 5527 |
| Segbwema | city | Southern Province | Sierra Leone | 8.15 | -11.75 | 511 | 5521 |
| Segbwema | city | Eastern Province | Sierra Leone | 7.5177778 | -11.3391667 | 357 | 6669 |
| Segbwema | city | Eastern Province | Sierra Leone | 8 | -10.95 | 570 | 7431 |
| Sehun | city | Northern Province | Sierra Leone | 9.0833333 | -12.0833333 | 383 | 5174 |
| Sei | city | Southern Province | Sierra Leone | 7.6333333 | -13 | 0 | 178 |
| Seidu | city | Eastern Province | Sierra Leone | 9.0166667 | -10.6 | 1728 | 9835 |
| Seima | city | Southern Province | Sierra Leone | 7.0444444 | -11.5258333 | 173 | 4373 |
| Sekenema | city | Eastern Province | Sierra Leone | 8.1 | -10.6 | 990 | 7337 |
| Sekodeko | city | Northern Province | Sierra Leone | 9.8166667 | -12.4166667 | 246 | 5016 |
| Sekuya | city | Northern Province | Sierra Leone | 8.6866667 | -13.0375 | 101 | 9548 |
| Sekuya | city | Northern Province | Sierra Leone | 8.6972222 | -13.0266667 | 98 | 9548 |
| Sekuya | city | Northern Province | Sierra Leone | 9.1333333 | -11.5 | 1496 | 3906 |
| Sekuya | city | Eastern Province | Sierra Leone | 9.0166667 | -10.9666667 | 1538 | 18752 |
| Selabu | city | Southern Province | Sierra Leone | 7.45 | -11.7 | 318 | 4373 |
| Selabu | city | Eastern Province | Sierra Leone | 7.6166667 | -11.35 | 603 | 6792 |
| Sele | city | Northern Province | Sierra Leone | 9.3 | -12.5333333 | 167 | 7536 |
| Selekoro | city | Northern Province | Sierra Leone | 9.5666667 | -12 | 436 | 2533 |
| Selu | city | Southern Province | Sierra Leone | 8.25 | -11.6 | 757 | 5521 |
| Selu | city | Eastern Province | Sierra Leone | 8.4 | -10.6666667 | 836 | 9273 |
| Semabu | city | Southern Province | Sierra Leone | 7.7333333 | -12.3666667 | 124 | 3857 |
| Semabu | city | Southern Province | Sierra Leone | 8.3166667 | -12.35 | 249 | 4415 |
| Semabu | city | Southern Province | Sierra Leone | 7.4833333 | -12.2833333 | 108 | 3756 |
| Semabu | city | Southern Province | Sierra Leone | 7.6211111 | -12.1094444 | 88 | 3829 |
| Semabu | city | Southern Province | Sierra Leone | 7.595 | -12.0847222 | 72 | 3829 |
| Semabu | city | Southern Province | Sierra Leone | 7.7319444 | -12.0758333 | 118 | 5155 |
| Semabu | city | Southern Province | Sierra Leone | 8.1833333 | -12.0666667 | 157 | 4421 |
| Semabu | city | Southern Province | Sierra Leone | 8 | -12.05 | 236 | 5341 |
| Semabu | city | Southern Province | Sierra Leone | 8.0833333 | -12.0333333 | 137 | 4618 |
| Semabu | city | Southern Province | Sierra Leone | 7.3727778 | -11.8677778 | 170 | 4234 |
| Semabu | city | Southern Province | Sierra Leone | 8.2 | -11.6333333 | 488 | 5521 |
| Semabu | city | Southern Province | Sierra Leone | 7.0833333 | -11.5666667 | 150 | 4351 |
| Semabu | city | Southern Province | Sierra Leone | 8.3833333 | -11.5666667 | 862 | 6714 |
| Semabu | city | Southern Province | Sierra Leone | 8.1833333 | -11.5333333 | 1000 | 5521 |
| Semabu | city | Southern Province | Sierra Leone | 7.8075 | -11.455 | 482 | 6843 |
| Semabu | city | Southern Province | Sierra Leone | 7.5833333 | -11.4333333 | 498 | 4463 |
| Semabu | city | Southern Province | Sierra Leone | 7.4 | -11.4166667 | 232 | 4373 |
| Semabu | city | Eastern Province | Sierra Leone | 7.7833333 | -11.4 | 465 | 7341 |
| Semabu | city | Eastern Province | Sierra Leone | 7.4744444 | -11.27 | 515 | 7687 |
| Semabu | city | Eastern Province | Sierra Leone | 8.1166667 | -10.85 | 725 | 7425 |
| Semabu | city | Eastern Province | Sierra Leone | 8.15 | -10.5833333 | 990 | 7237 |
| Sembebun | city | Southern Province | Sierra Leone | 7.25 | -11.85 | 82 | 4209 |
| Sembehan | city | Eastern Province | Sierra Leone | 8.25 | -10.7666667 | 1020 | 7418 |
| Sembehu | city | Southern Province | Sierra Leone | 7.4019444 | -11.3852778 | 249 | 4448 |
| Sembehun | city | Southern Province | Sierra Leone | 7.5833333 | -12.65 | 3 | 3710 |
| Sembehun | city | Southern Province | Sierra Leone | 7.9408333 | -12.5375 | 68 | 4424 |
| Sembehun | city | Southern Province | Sierra Leone | 7.575 | -12.5 | 72 | 2123 |
| Sembehun | city | Southern Province | Sierra Leone | 7.3913889 | -12.4855556 | 3 | 1387 |
| Sembehun | city | Southern Province | Sierra Leone | 7.6441667 | -12.3986111 | 3 | 3769 |
| Sembehun | city | Southern Province | Sierra Leone | 8.2833333 | -12.3333333 | 239 | 4415 |
| Sembehun | city | Southern Province | Sierra Leone | 7.6666667 | -12.3166667 | 6 | 3898 |
| Sembehun | city | Southern Province | Sierra Leone | 7.5355556 | -12.2863889 | 3 | 3729 |
| Sembehun | city | Southern Province | Sierra Leone | 7.8325 | -12.275 | 124 | 4415 |
| Sembehun | city | Southern Province | Sierra Leone | 7.5166667 | -12.0833333 | 85 | 3780 |
| Sembehun | city | Southern Province | Sierra Leone | 8.2166667 | -12.0833333 | 219 | 4418 |
| Sembehun | city | Southern Province | Sierra Leone | 7.8883333 | -11.9386111 | 180 | 5521 |
| Sembehun | city | Southern Province | Sierra Leone | 7.6236111 | -11.9194444 | 239 | 5278 |
| Sembehun | city | Southern Province | Sierra Leone | 7.9833333 | -11.8833333 | 187 | 5336 |
| Sembehun | city | Southern Province | Sierra Leone | 7.7963889 | -11.87 | 101 | 5524 |
| Sembehun | city | Southern Province | Sierra Leone | 7.4333333 | -11.8666667 | 209 | 4361 |
| Sembehun | city | Southern Province | Sierra Leone | 7.25 | -11.85 | 82 | 4209 |
| Sembehun | city | Southern Province | Sierra Leone | 7.4833333 | -11.7666667 | 305 | 4372 |
| Sembehun | city | Southern Province | Sierra Leone | 7.8833333 | -11.7333333 | 219 | 5521 |
| Sembehun | city | Southern Province | Sierra Leone | 7.7775 | -11.7255556 | 318 | 5527 |
| Sembehun | city | Southern Province | Sierra Leone | 7.2369444 | -11.7169444 | 209 | 4373 |
| Sembehun | city | Southern Province | Sierra Leone | 8 | -11.7166667 | 511 | 5521 |
| Sembehun | city | Southern Province | Sierra Leone | 8.3666667 | -11.6666667 | 574 | 5517 |
| Sembehun | city | Southern Province | Sierra Leone | 7.4433333 | -11.5952778 | 334 | 4373 |
| Sembehun | city | Southern Province | Sierra Leone | 7.1127778 | -11.485 | 246 | 4373 |
| Sembehun | city | Southern Province | Sierra Leone | 7.4019444 | -11.3852778 | 249 | 4448 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.0166667 | -11.3333333 | 360 | 7591 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.8 | -11.3 | 1046 | 19745 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.6666667 | -11.2333333 | 1056 | 26667 |
| Sembehun | city | Eastern Province | Sierra Leone | 7.6563889 | -11.2197222 | 505 | 7700 |
| Sembehun | city | Eastern Province | Sierra Leone | 7.7294444 | -10.9594444 | 898 | 7624 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.1833333 | -10.9333333 | 744 | 7566 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.3666667 | -10.9166667 | 977 | 8114 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.15 | -10.85 | 692 | 7425 |
| Sembehun | city | Eastern Province | Sierra Leone | 7.8547222 | -10.8333333 | 938 | 7434 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.0666667 | -10.8333333 | 659 | 7425 |
| Sembehun | city | Eastern Province | Sierra Leone | 7.8 | -10.8166667 | 938 | 7434 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.25 | -10.7666667 | 1020 | 7418 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.0666667 | -10.5666667 | 774 | 6228 |
| Sembehun | city | Eastern Province | Sierra Leone | 8.1666667 | -10.5333333 | 994 | 7311 |
| Sembehunwo | city | Southern Province | Sierra Leone | 7.9955556 | -12.49 | 183 | 4424 |
| Sembehunwo | city | Southern Province | Sierra Leone | 7.8105556 | -12.4408333 | 72 | 4171 |
| Sembehunworo | city | Southern Province | Sierra Leone | 7.9955556 | -12.49 | 183 | 4424 |
| Sembehunworo | city | Southern Province | Sierra Leone | 7.8105556 | -12.4408333 | 72 | 4171 |
| Sembema | city | Eastern Province | Sierra Leone | 8.0666667 | -11.1833333 | 1003 | 7691 |
| Semeibu | city | Eastern Province | Sierra Leone | 8.0166667 | -10.8666667 | 616 | 7428 |
| Semisedu | city | Northern Province | Sierra Leone | 9.4166667 | -11.0666667 | 1509 | 2380 |
| Senahu | city | Southern Province | Sierra Leone | 8.15 | -12.6 | 114 | 4424 |
| Senbehun | city | Southern Province | Sierra Leone | 7.5319444 | -12.0169444 | 9 | 3782 |
| Sendakha | city | Northern Province | Sierra Leone | 9.5 | -12.5666667 | 249 | 8817 |
| Sendema | city | Eastern Province | Sierra Leone | 8.1333333 | -11.05 | 685 | 7690 |
| Sendia | city | Northern Province | Sierra Leone | 9.0666667 | -10.7833333 | 2604 | 2341 |
| Sendikoro | city | Northern Province | Sierra Leone | 9.5666667 | -11.8833333 | 1105 | 2455 |
| Sendugu | city | Northern Province | Sierra Leone | 9.0666667 | -12.6333333 | 259 | 9470 |
| Sendugu | city | Northern Province | Sierra Leone | 9.1333333 | -11.9 | 744 | 5202 |
| Senduma | city | Eastern Province | Sierra Leone | 7.7136111 | -11.3877778 | 469 | 7469 |
| Sendumei | city | Eastern Province | Sierra Leone | 7.7136111 | -11.3877778 | 469 | 7469 |
| Senehun | city | Southern Province | Sierra Leone | 7.8786111 | -12.7527778 | 82 | 4392 |
| Senehun | city | Southern Province | Sierra Leone | 8.15 | -12.6 | 114 | 4424 |
| Senehun | city | Southern Province | Sierra Leone | 7.7691667 | -12.5872222 | 65 | 4410 |
| Senehun | city | Southern Province | Sierra Leone | 7.6116667 | -12.1866667 | 3 | 3780 |
| Senehun | city | Southern Province | Sierra Leone | 8.1363889 | -12.1366667 | 275 | 4424 |
| Senehun | city | Southern Province | Sierra Leone | 7.4 | -12.1166667 | 3 | 3780 |
| Senehun | city | Southern Province | Sierra Leone | 8 | -12.1166667 | 147 | 5244 |
| Senehun | city | Southern Province | Sierra Leone | 7.2 | -11.9833333 | 0 | 1380 |
| Senehun | city | Southern Province | Sierra Leone | 8.1666667 | -11.95 | 226 | 4672 |
| Senehun | city | Southern Province | Sierra Leone | 7.5677778 | -11.9086111 | 239 | 4894 |
| Senehun | city | Southern Province | Sierra Leone | 7.6122222 | -11.8688889 | 275 | 5058 |
| Senehun | city | Southern Province | Sierra Leone | 7.3833333 | -11.8333333 | 206 | 4373 |
| Senehun | city | Southern Province | Sierra Leone | 7.315 | -11.5622222 | 200 | 4373 |
| Senehun | city | Eastern Province | Sierra Leone | 8.5333333 | -11.4666667 | 1135 | 7328 |
| Senehun | city | Eastern Province | Sierra Leone | 7.7322222 | -11.3736111 | 485 | 7700 |
| Senehun | city | Eastern Province | Sierra Leone | 7.7333333 | -11.3666667 | 488 | 7700 |
| Senehun | city | Eastern Province | Sierra Leone | 7.6166667 | -11.2833333 | 354 | 7700 |
| Senehun | city | Eastern Province | Sierra Leone | 8.6 | -11.2166667 | 1404 | 26671 |
| Senehun | city | Eastern Province | Sierra Leone | 7.7397222 | -10.9961111 | 905 | 7624 |
| Senehun | city | Eastern Province | Sierra Leone | 7.8 | -10.9666667 | 705 | 7511 |
| Senehun | city | Eastern Province | Sierra Leone | 8.5333333 | -10.95 | 1335 | 26678 |
| Senehun Bulema | city | Southern Province | Sierra Leone | 7.2166667 | -11.3166667 | 311 | 3597 |
| Senga | city | Eastern Province | Sierra Leone | 7.9375 | -10.6244444 | 997 | 5626 |
| Senga | city | Eastern Province | Sierra Leone | 8.1833333 | -10.4833333 | 997 | 7205 |
| Senga | city | Eastern Province | Sierra Leone | 8.2297222 | -10.3169444 | 1148 | 4066 |
| Sengbe | city | Northern Province | Sierra Leone | 8.6116667 | -13.0491667 | 59 | 6971 |
| Sengbe | city | Northern Province | Sierra Leone | 8.5 | -12.9666667 | 45 | 9543 |
| Sengbe | city | Northern Province | Sierra Leone | 8.9333333 | -12.8833333 | 127 | 8887 |
| Sengbe | city | Northern Province | Sierra Leone | 9.2833333 | -11.9833333 | 305 | 5171 |
| Sengbe | city | Northern Province | Sierra Leone | 8.5833333 | -11.9333333 | 249 | 5460 |
| Sengbe | city | Northern Province | Sierra Leone | 8.95 | -11.8666667 | 413 | 5410 |
| Senge | city | Eastern Province | Sierra Leone | 8.05 | -10.5666667 | 774 | 6228 |
| Sengeko | city | Eastern Province | Sierra Leone | 8.55 | -10.75 | 1404 | 26674 |
| Sengema | city | Southern Province | Sierra Leone | 8.2166667 | -12.7833333 | 65 | 4418 |
| Sengema | city | Southern Province | Sierra Leone | 7.5 | -11.7833333 | 311 | 4372 |
| Sengema | city | Southern Province | Sierra Leone | 8.2166667 | -11.7666667 | 498 | 5521 |
| Sengema | city | Southern Province | Sierra Leone | 7.2888889 | -11.4366667 | 229 | 4373 |
| Sengema | city | Eastern Province | Sierra Leone | 7.9333333 | -11.3333333 | 495 | 7689 |
| Sengema | city | Eastern Province | Sierra Leone | 8.6 | -10.9666667 | 1443 | 26671 |
| Sengema | city | Eastern Province | Sierra Leone | 8.3 | -10.7 | 761 | 7141 |
| Sengema | city | Eastern Province | Sierra Leone | 8.4833333 | -10.7 | 1020 | 21944 |
| Sengima | city | Southern Province | Sierra Leone | 7.7716667 | -12.0622222 | 200 | 5433 |
| Sengima | city | Southern Province | Sierra Leone | 8.1166667 | -11.4333333 | 830 | 5522 |
| Sengima | city | Eastern Province | Sierra Leone | 8.6666667 | -10.4833333 | 997 | 13752 |
| Sengisengi | city | Eastern Province | Sierra Leone | 8.9166667 | -10.6166667 | 1528 | 18270 |
| Senguinya | city | Northern Province | Sierra Leone | 9.35 | -11.9333333 | 400 | 5161 |
| Seniehun | city | Southern Province | Sierra Leone | 7.5319444 | -12.0169444 | 9 | 3782 |
| Senikedugu | city | Northern Province | Sierra Leone | 9.6166667 | -11.55 | 1502 | 2380 |
| Senita | city | Northern Province | Sierra Leone | 9.2166667 | -12.5833333 | 104 | 9223 |
| Senjehun | city | Southern Province | Sierra Leone | 7.5319444 | -12.0169444 | 9 | 3782 |
| Senki | city | Northern Province | Sierra Leone | 9.5333333 | -12.4 | 196 | 5233 |
| Senkuya | city | Northern Province | Sierra Leone | 9.2166667 | -11.9333333 | 288 | 5171 |
| Sentai | city | Northern Province | Sierra Leone | 9.0666667 | -12.8833333 | 111 | 8848 |
| Senyekhuri | city | Northern Province | Sierra Leone | 9.6166667 | -12.3166667 | 242 | 5166 |
| Senyekhuri | city | Northern Province | Sierra Leone | 9.6333333 | -12.2833333 | 328 | 5166 |
| Sepena | city | Northern Province | Sierra Leone | 9.7166667 | -11.7 | 1499 | 2380 |
| Sera | city | Northern Province | Sierra Leone | 8.6833333 | -11.8166667 | 511 | 5460 |
| Sera Bonkuraw | city | Northern Province | Sierra Leone | 8.6833333 | -11.8166667 | 511 | 5460 |
| Serabu | city | Southern Province | Sierra Leone | 7.7958333 | -12.0536111 | 137 | 5523 |
| Serabu | city | Eastern Province | Sierra Leone | 7.6166667 | -11.35 | 603 | 6792 |
| Serabu | city | Eastern Province | Sierra Leone | 7.8533333 | -11.2872222 | 482 | 7691 |
| Seradu | city | Northern Province | Sierra Leone | 9.1666667 | -10.8166667 | 2004 | 2380 |
| Serafaia | city | Northern Province | Sierra Leone | 9.4166667 | -10.9333333 | 1496 | 2380 |
| Serafilaia | city | Northern Province | Sierra Leone | 9.2666667 | -10.9 | 1873 | 2380 |
| Serafula | city | Northern Province | Sierra Leone | 9.0833333 | -12.0333333 | 226 | 5174 |
| Serania | city | Northern Province | Sierra Leone | 9.85 | -11.2 | 1551 | 2310 |
| Sereadu | city | Northern Province | Sierra Leone | 8.9833333 | -11.2333333 | 1328 | 3679 |
| Seredugu | city | Northern Province | Sierra Leone | 9.6166667 | -11.6666667 | 1866 | 2380 |
| Serekolia | city | Northern Province | Sierra Leone | 9.5333333 | -11.0833333 | 1440 | 2380 |
| Seremodu | city | Northern Province | Sierra Leone | 9.2666667 | -10.7166667 | 1994 | 2347 |
| Seria | city | Northern Province | Sierra Leone | 9.4666667 | -10.9166667 | 1519 | 2380 |
| Setema | city | Eastern Province | Sierra Leone | 8.1166667 | -11.2 | 856 | 7691 |
| Setnyin | city | Northern Province | Sierra Leone | 8.7333333 | -12.0833333 | 177 | 5281 |
| Sewaia | city | Northern Province | Sierra Leone | 8.9666667 | -11.2333333 | 1335 | 3679 |
| Sewaia | city | Eastern Province | Sierra Leone | 8.8333333 | -11.15 | 1272 | 26657 |
| Sewaiw | city | Eastern Province | Sierra Leone | 8.8333333 | -11.15 | 1272 | 26657 |
| Sewaoma | city | Eastern Province | Sierra Leone | 8.1333333 | -11.0833333 | 800 | 7690 |
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