| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Yagala | city | Northern Province | Sierra Leone | 9.55 | -11.5833333 | 1502 | 2380 |
| Yaganto | city | Northern Province | Sierra Leone | 9.8 | -11.4 | 1476 | 2380 |
| Yakala | city | Northern Province | Sierra Leone | 9.1333333 | -11.7166667 | 767 | 4020 |
| Yakgban | city | Northern Province | Sierra Leone | 8.9333333 | -13 | 13 | 8852 |
| Yakobi | city | Northern Province | Sierra Leone | 9.6166667 | -11.6833333 | 1981 | 2380 |
| Yalefudia | city | Northern Province | Sierra Leone | 8.7441667 | -13.1327778 | 16 | 9548 |
| Yalia | city | Northern Province | Sierra Leone | 9.7166667 | -11.1666667 | 1519 | 2380 |
| Yama | city | Northern Province | Sierra Leone | 9.0405556 | -13.0302778 | 108 | 8647 |
| Yama | city | Northern Province | Sierra Leone | 8.8833333 | -12.4666667 | 137 | 9442 |
| Yamanda | city | Northern Province | Sierra Leone | 9.4833333 | -11.8666667 | 997 | 2573 |
| Yamanigbunti | city | Northern Province | Sierra Leone | 9.1333333 | -12.3833333 | 127 | 5171 |
| Yamankoro | city | Northern Province | Sierra Leone | 8.9833333 | -10.8833333 | 1486 | 13379 |
| Yamfaka | city | Northern Province | Sierra Leone | 9.7166667 | -11.2666667 | 1532 | 2380 |
| Yamoria | city | Northern Province | Sierra Leone | 9.6333333 | -10.9333333 | 1637 | 1948 |
| Yana | city | Northern Province | Sierra Leone | 9.7333333 | -12.3166667 | 249 | 5166 |
| Yandugu | city | Northern Province | Sierra Leone | 8.9666667 | -11.4833333 | 1341 | 3522 |
| Yangua | city | Northern Province | Sierra Leone | 9.8666667 | -12.3166667 | 541 | 5003 |
| Yanka | city | Northern Province | Sierra Leone | 8.4322222 | -12.4763889 | 209 | 5464 |
| Yanka | city | Northern Province | Sierra Leone | 8.8 | -12.3 | 272 | 5730 |
| Yankalol | city | Northern Province | Sierra Leone | 9.2 | -12.2833333 | 265 | 5171 |
| Yankambu | city | Northern Province | Sierra Leone | 9.2833333 | -12.65 | 249 | 8938 |
| Yankone | city | Northern Province | Sierra Leone | 9.5333333 | -12.55 | 249 | 8794 |
| Yanleia | city | Northern Province | Sierra Leone | 9.0833333 | -11.0166667 | 1440 | 13205 |
| Yanwulia | city | Northern Province | Sierra Leone | 9.2166667 | -11.4666667 | 1473 | 2624 |
| Yara | city | Northern Province | Sierra Leone | 9.25 | -11.5833333 | 1814 | 2426 |
| Yarakonko | city | Northern Province | Sierra Leone | 8.9666667 | -10.7333333 | 2391 | 10274 |
| Yarando | city | Northern Province | Sierra Leone | 9.4 | -10.8333333 | 1929 | 2059 |
| Yarawadogu | city | Northern Province | Sierra Leone | 9.05 | -10.65 | 1975 | 4516 |
| Yarawadugu | city | Northern Province | Sierra Leone | 9.05 | -10.65 | 1975 | 4516 |
| Yarawaia | city | Northern Province | Sierra Leone | 8.9166667 | -11.7666667 | 531 | 5451 |
| Yase | city | Northern Province | Sierra Leone | 8.9166667 | -11.8333333 | 679 | 5451 |
| Yasi | city | Northern Province | Sierra Leone | 9.0333333 | -11.85 | 492 | 5324 |
| Yataia | city | Northern Province | Sierra Leone | 9.5666667 | -11.6 | 1499 | 2380 |
| Yele | city | Northern Province | Sierra Leone | 8.4166667 | -11.8333333 | 226 | 5488 |
| Yelelol | city | Northern Province | Sierra Leone | 8.4 | -11.8333333 | 246 | 5502 |
| Yeliba | city | Northern Province | Sierra Leone | 8.5783333 | -13.1391667 | 52 | 5683 |
| Yelibaba Town | city | Northern Province | Sierra Leone | 9.9666667 | -11.8 | 1181 | 2449 |
| Yeligban | city | Northern Province | Sierra Leone | 8.9833333 | -13.2333333 | 111 | 7672 |
| Yelkakrom | city | Northern Province | Sierra Leone | 8.5413889 | -13.1208333 | 0 | 3399 |
| Yema | city | Northern Province | Sierra Leone | 8.5983333 | -13.1722222 | 98 | 6868 |
| Yema | city | Northern Province | Sierra Leone | 8.7 | -13.1122222 | 147 | 9548 |
| Yema | city | Northern Province | Sierra Leone | 8.5858333 | -13.1038889 | 0 | 7663 |
| Yema | city | Northern Province | Sierra Leone | 8.7825 | -13.0472222 | 118 | 9545 |
| Yema | city | Northern Province | Sierra Leone | 9.0691667 | -13.0366667 | 124 | 7324 |
| Yema | city | Northern Province | Sierra Leone | 8.4577778 | -13.0305556 | 118 | 9506 |
| Yema | city | Northern Province | Sierra Leone | 8.4022222 | -13.0255556 | 9 | 9434 |
| Yema | city | Northern Province | Sierra Leone | 8.7 | -12.8666667 | 59 | 9548 |
| Yema | city | Northern Province | Sierra Leone | 8.45 | -12.8166667 | 157 | 9078 |
| Yema | city | Northern Province | Sierra Leone | 8.5333333 | -12.6833333 | 6 | 9375 |
| Yema | city | Northern Province | Sierra Leone | 9.0166667 | -12.6 | 68 | 8868 |
| Yema | city | Northern Province | Sierra Leone | 8.5333333 | -12.5666667 | 160 | 8264 |
| Yema | city | Northern Province | Sierra Leone | 8.8833333 | -12.4666667 | 137 | 9442 |
| Yema | city | Northern Province | Sierra Leone | 9.25 | -12.1666667 | 551 | 5171 |
| Yema | city | Northern Province | Sierra Leone | 8.3666667 | -12.1 | 226 | 5006 |
| Yema | city | Northern Province | Sierra Leone | 8.55 | -11.8833333 | 334 | 5460 |
| Yema | city | Northern Province | Sierra Leone | 8.55 | -11.5333333 | 1082 | 6486 |
| Yembama | city | Northern Province | Sierra Leone | 9.1833333 | -10.8333333 | 1984 | 2380 |
| Yemere | city | Northern Province | Sierra Leone | 8.3783333 | -13.0422222 | 26 | 9081 |
| Yemere | city | Northern Province | Sierra Leone | 9.6666667 | -12.15 | 255 | 5097 |
| Yemeri | city | Northern Province | Sierra Leone | 8.7 | -11.8833333 | 265 | 5460 |
| Yemiya | city | Northern Province | Sierra Leone | 8.7225 | -13.1997222 | 95 | 9194 |
| Yengkisa | city | Northern Province | Sierra Leone | 8.8166667 | -12.3166667 | 177 | 5730 |
| Yenkisa | city | Northern Province | Sierra Leone | 8.5666667 | -12.7 | 39 | 9543 |
| Yenkisa | city | Northern Province | Sierra Leone | 8.6166667 | -12.1166667 | 180 | 5460 |
| Yenkisa | city | Northern Province | Sierra Leone | 9.5833333 | -12.0666667 | 377 | 3370 |
| Yenkisa | city | Northern Province | Sierra Leone | 9.8833333 | -11.6833333 | 1466 | 2380 |
| Yenkisa | city | Northern Province | Sierra Leone | 9.8166667 | -11.4666667 | 1443 | 2380 |
| Yenkisa | city | Northern Province | Sierra Leone | 9.8166667 | -11.4333333 | 1499 | 2380 |
| Yesa | city | Northern Province | Sierra Leone | 8.3833333 | -12.2833333 | 246 | 4955 |
| Yibaia | city | Northern Province | Sierra Leone | 9.3 | -12.6 | 249 | 8842 |
| Yibe | city | Northern Province | Sierra Leone | 8.9833333 | -11.2833333 | 1240 | 2563 |
| Yiben | city | Northern Province | Sierra Leone | 8.7166667 | -12.2666667 | 219 | 5343 |
| Yiben | city | Northern Province | Sierra Leone | 8.4 | -12 | 157 | 5011 |
| Yiben | city | Northern Province | Sierra Leone | 8.9833333 | -11.75 | 1354 | 5451 |
| Yiben | city | Northern Province | Sierra Leone | 9.3166667 | -11.7 | 1079 | 2431 |
| Yifin | city | Northern Province | Sierra Leone | 9.1166667 | -11.2666667 | 1217 | 2381 |
| Yilogo | city | Northern Province | Sierra Leone | 9.0833333 | -12.5333333 | 55 | 6084 |
| Yima | city | Northern Province | Sierra Leone | 8.8166667 | -11.9166667 | 462 | 5288 |
| Yinaiya | city | Northern Province | Sierra Leone | 8.8833333 | -11.7666667 | 728 | 5451 |
| Yindia | city | Northern Province | Sierra Leone | 8.7016667 | -13.0508333 | 42 | 9548 |
| Yindia | city | Northern Province | Sierra Leone | 8.7080556 | -13.0491667 | 118 | 9548 |
| Yirafilaia | city | Northern Province | Sierra Leone | 9.4833333 | -11.3333333 | 1443 | 2380 |
| Yiraia | city | Northern Province | Sierra Leone | 9.45 | -11.25 | 1496 | 2380 |
| Yiraia | city | Northern Province | Sierra Leone | 9.1 | -10.95 | 1581 | 2719 |
| Yiralaia | city | Northern Province | Sierra Leone | 9.1666667 | -11 | 1879 | 2380 |
| Yirendu | city | Northern Province | Sierra Leone | 9.0833333 | -11.3 | 1289 | 2384 |
| Yiriki | city | Northern Province | Sierra Leone | 9.4833333 | -12.5166667 | 239 | 8366 |
| Yisaia | city | Northern Province | Sierra Leone | 9.3 | -11.55 | 1453 | 2380 |
| Yisimaia | city | Northern Province | Sierra Leone | 9.5666667 | -11.5166667 | 1482 | 2380 |
| Yof | city | Northern Province | Sierra Leone | 8.4236111 | -13.0625 | 91 | 8696 |
| Yogomaia | city | Northern Province | Sierra Leone | 9.5833333 | -11.5666667 | 1519 | 2380 |
| Yogomusaia | city | Northern Province | Sierra Leone | 9.0333333 | -11.2166667 | 1394 | 2402 |
| Yoka-iri | city | Northern Province | Sierra Leone | 9.4666667 | -12.6 | 246 | 8672 |
| Yomadugu | city | Northern Province | Sierra Leone | 9.5666667 | -11.4333333 | 1499 | 2380 |
| Yomankoro | city | Northern Province | Sierra Leone | 8.9833333 | -10.8833333 | 1486 | 13379 |
| Yomboro | city | Northern Province | Sierra Leone | 9.5166667 | -12.65 | 239 | 6369 |
| Yomboro Duladi | city | Northern Province | Sierra Leone | 9.5 | -12.65 | 246 | 7158 |
| Yomboro Konta | city | Northern Province | Sierra Leone | 9.5166667 | -12.65 | 239 | 6369 |
| Yomforia | city | Northern Province | Sierra Leone | 9 | -13.0833333 | 134 | 8849 |
| Yomolo | city | Northern Province | Sierra Leone | 9.8 | -11.7166667 | 1499 | 2380 |
| Yonfon | city | Northern Province | Sierra Leone | 9.5833333 | -12.25 | 255 | 5166 |
| Yongaro | city | Northern Province | Sierra Leone | 9.2166667 | -11.9166667 | 613 | 5171 |
| Yongoro | city | Northern Province | Sierra Leone | 8.59 | -13.1988889 | 101 | 6868 |
| Yongro | city | Northern Province | Sierra Leone | 8.59 | -13.1988889 | 101 | 6868 |
| Yoni | city | Northern Province | Sierra Leone | 8.8333333 | -11.8833333 | 357 | 5386 |
| Yonibana | city | Northern Province | Sierra Leone | 8.4447222 | -12.245 | 173 | 5374 |
| Yonkonia | city | Northern Province | Sierra Leone | 9.8 | -11.1833333 | 1528 | 2372 |
| Yoria | city | Northern Province | Sierra Leone | 9.0333333 | -11.35 | 1469 | 2385 |
| Yorondo | city | Northern Province | Sierra Leone | 9.1666667 | -11.05 | 2191 | 2380 |
| Yumawusudu | city | Northern Province | Sierra Leone | 9.1333333 | -10.75 | 2627 | 2019 |
| Yumbukoro | city | Northern Province | Sierra Leone | 9 | -11.3333333 | 1502 | 2385 |
| Yundunduyi | city | Northern Province | Sierra Leone | 8.9333333 | -10.75 | 2027 | 17246 |
| Yungula | city | Northern Province | Sierra Leone | 9.7666667 | -11.8833333 | 492 | 3474 |
| Yuria | city | Northern Province | Sierra Leone | 8.6647222 | -13.1955556 | 111 | 8416 |
| Yurika | city | Northern Province | Sierra Leone | 8.7469444 | -13.2291667 | 78 | 6355 |
| Yurika Wharf | city | Northern Province | Sierra Leone | 8.7544444 | -13.2502778 | 0 | 2423 |
| Yuruka Wharf | city | Northern Province | Sierra Leone | 8.7469444 | -13.2291667 | 78 | 6355 |
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