| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Yabaia | city | Eastern Province | Sierra Leone | 8.8166667 | -11 | 1509 | 26657 |
| Yabaima | city | Eastern Province | Sierra Leone | 7.64 | -11.4769444 | 442 | 6729 |
| Yabaima | city | Eastern Province | Sierra Leone | 7.6833333 | -11.1833333 | 495 | 7700 |
| Yabaima | city | Eastern Province | Sierra Leone | 7.8833333 | -11.1 | 475 | 7628 |
| Yabema | city | Eastern Province | Sierra Leone | 8.6 | -10.6833333 | 1482 | 26671 |
| Yadema | city | Eastern Province | Sierra Leone | 8.6166667 | -10.65 | 1597 | 26251 |
| Yadusinero | city | Eastern Province | Sierra Leone | 8.7333333 | -11.0666667 | 1200 | 26664 |
| Yagbea | city | Eastern Province | Sierra Leone | 8.6333333 | -11.2 | 1459 | 26670 |
| Yahama | city | Eastern Province | Sierra Leone | 8.1666667 | -11.0333333 | 866 | 7686 |
| Yaiamba | city | Eastern Province | Sierra Leone | 8.8666667 | -10.6 | 1417 | 19630 |
| Yakama | city | Eastern Province | Sierra Leone | 8.1166667 | -10.95 | 616 | 7471 |
| Yakoi | city | Eastern Province | Sierra Leone | 8.75 | -10.5333333 | 1148 | 17695 |
| Yakunda | city | Eastern Province | Sierra Leone | 8.75 | -11.3333333 | 1230 | 24895 |
| Yalima | city | Eastern Province | Sierra Leone | 8.5166667 | -11.4 | 1000 | 11682 |
| Yaliwandu | city | Eastern Province | Sierra Leone | 9 | -10.6333333 | 2020 | 20768 |
| Yama | city | Eastern Province | Sierra Leone | 8.2166667 | -10.6 | 984 | 7425 |
| Yamadu | city | Eastern Province | Sierra Leone | 8.75 | -10.5666667 | 1492 | 24100 |
| Yamadu | city | Eastern Province | Sierra Leone | 8.65 | -10.5 | 1017 | 13163 |
| Yamandu | city | Eastern Province | Sierra Leone | 8.3333333 | -11.3 | 918 | 7690 |
| Yamandu | city | Eastern Province | Sierra Leone | 8.5 | -10.8666667 | 1010 | 26484 |
| Yamaro | city | Eastern Province | Sierra Leone | 8.5833333 | -10.6666667 | 997 | 26557 |
| Yambalu | city | Eastern Province | Sierra Leone | 8.25 | -10.6833333 | 836 | 7403 |
| Yambama | city | Eastern Province | Sierra Leone | 8.2 | -11.25 | 1010 | 7687 |
| Yambama | city | Eastern Province | Sierra Leone | 8.6166667 | -10.7833333 | 1719 | 26671 |
| Yambaro | city | Eastern Province | Sierra Leone | 8.7333333 | -10.6666667 | 1551 | 26664 |
| Yamehun | city | Eastern Province | Sierra Leone | 8.2166667 | -10.4 | 1318 | 7425 |
| Yandahun | city | Eastern Province | Sierra Leone | 8.3833333 | -10.8166667 | 1003 | 13896 |
| Yandahun | city | Eastern Province | Sierra Leone | 8.2833333 | -10.7833333 | 1059 | 7404 |
| Yandaworo | city | Eastern Province | Sierra Leone | 8.7 | -10.5333333 | 1427 | 21402 |
| Yandehu | city | Eastern Province | Sierra Leone | 8.05 | -11.3166667 | 459 | 7580 |
| Yandehun | city | Eastern Province | Sierra Leone | 8.1666667 | -11.1166667 | 997 | 7687 |
| Yandehun | city | Eastern Province | Sierra Leone | 8.4333333 | -11.0333333 | 1479 | 25193 |
| Yandema | city | Eastern Province | Sierra Leone | 8.5666667 | -11.1 | 1443 | 26674 |
| Yandihun | city | Eastern Province | Sierra Leone | 8.3833333 | -11.5 | 1007 | 7678 |
| Yandohun | city | Eastern Province | Sierra Leone | 8.0666667 | -10.85 | 715 | 7425 |
| Yandu | city | Eastern Province | Sierra Leone | 8.6666667 | -10.5833333 | 1391 | 26093 |
| Yangahun | city | Eastern Province | Sierra Leone | 8.2333333 | -11.0833333 | 879 | 7686 |
| Yangahun | city | Eastern Province | Sierra Leone | 8.05 | -10.9833333 | 557 | 7522 |
| Yaradu | city | Eastern Province | Sierra Leone | 8.6666667 | -10.9833333 | 1423 | 26667 |
| Yaradu | city | Eastern Province | Sierra Leone | 8.7833333 | -10.9833333 | 1240 | 26660 |
| Yaradu | city | Eastern Province | Sierra Leone | 8.55 | -10.7 | 1377 | 26557 |
| Yaradu | city | Eastern Province | Sierra Leone | 8.75 | -10.5833333 | 1496 | 24100 |
| Yaraia | city | Eastern Province | Sierra Leone | 8.9333333 | -11.1333333 | 1482 | 22698 |
| Yarandu | city | Eastern Province | Sierra Leone | 8.55 | -10.7 | 1377 | 26557 |
| Yarbuma | city | Eastern Province | Sierra Leone | 8.3333333 | -10.95 | 997 | 7460 |
| Yawando | city | Eastern Province | Sierra Leone | 8.85 | -10.6 | 1443 | 19630 |
| Yawe | city | Eastern Province | Sierra Leone | 7.8333333 | -10.95 | 666 | 7457 |
| Yawuema | city | Eastern Province | Sierra Leone | 7.8566667 | -11.3358333 | 501 | 7691 |
| Yawundo | city | Eastern Province | Sierra Leone | 8.85 | -10.6 | 1443 | 19630 |
| Yayima | city | Eastern Province | Sierra Leone | 8.9833333 | -10.9666667 | 1745 | 25266 |
| Yebima | city | Eastern Province | Sierra Leone | 7.6666667 | -11.4833333 | 419 | 7262 |
| Yekilo | city | Eastern Province | Sierra Leone | 8.5833333 | -10.8833333 | 1479 | 26674 |
| Yekilo | city | Eastern Province | Sierra Leone | 8.5666667 | -10.8166667 | 1916 | 26674 |
| Yelendu | city | Eastern Province | Sierra Leone | 8.3875 | -10.3491667 | 1496 | 7348 |
| Yemahun | city | Eastern Province | Sierra Leone | 8.4333333 | -11.1333333 | 1023 | 26676 |
| Yemberu | city | Eastern Province | Sierra Leone | 8.4166667 | -10.7833333 | 1502 | 20440 |
| Yendama | city | Eastern Province | Sierra Leone | 8.7333333 | -10.7333333 | 1486 | 26664 |
| Yende | city | Eastern Province | Sierra Leone | 8.5833333 | -10.6166667 | 997 | 17867 |
| Yende | city | Eastern Province | Sierra Leone | 8.4166667 | -10.3333333 | 1361 | 5732 |
| Yendeh | city | Eastern Province | Sierra Leone | 8.4197222 | -10.3336111 | 1361 | 7312 |
| Yendema | city | Eastern Province | Sierra Leone | 8.5666667 | -11.1 | 1443 | 26674 |
| Yendema | city | Eastern Province | Sierra Leone | 8.4166667 | -11.0333333 | 1335 | 25193 |
| Yendema | city | Eastern Province | Sierra Leone | 8 | -10.8833333 | 590 | 7431 |
| Yendibengu | city | Eastern Province | Sierra Leone | 9 | -10.6 | 1551 | 15280 |
| Yendu | city | Eastern Province | Sierra Leone | 8.6 | -10.8666667 | 1489 | 26671 |
| Yenga | city | Eastern Province | Sierra Leone | 8.5 | -10.3333333 | 1095 | 5925 |
| Yengama | city | Eastern Province | Sierra Leone | 8.6166667 | -11.05 | 1414 | 26671 |
| Yengbelahun | city | Eastern Province | Sierra Leone | 8.3975 | -10.3816667 | 1341 | 7311 |
| Yengema | city | Eastern Province | Sierra Leone | 8.7166667 | -11.1666667 | 1482 | 26664 |
| Yengema | city | Eastern Province | Sierra Leone | 8.6166667 | -11.05 | 1414 | 26671 |
| Yengema | city | Eastern Province | Sierra Leone | 7.9655556 | -10.8680556 | 587 | 7431 |
| Yengema | city | Eastern Province | Sierra Leone | 8.3333333 | -10.6333333 | 839 | 7050 |
| Yengeveni | city | Eastern Province | Sierra Leone | 7.1883333 | -11.6302778 | 193 | 4373 |
| Yengima | city | Eastern Province | Sierra Leone | 8.9333333 | -10.7166667 | 2066 | 17246 |
| Yengima | city | Eastern Province | Sierra Leone | 8.7666667 | -10.5833333 | 1505 | 19275 |
| Yerendu | city | Eastern Province | Sierra Leone | 8.3875 | -10.3491667 | 1496 | 7348 |
| Yibaima | city | Eastern Province | Sierra Leone | 7.6833333 | -11.1833333 | 495 | 7700 |
| Yibeima | city | Eastern Province | Sierra Leone | 7.6666667 | -11.4833333 | 419 | 7262 |
| Yibema | city | Eastern Province | Sierra Leone | 7.6666667 | -11.4833333 | 419 | 7262 |
| Yibema | city | Eastern Province | Sierra Leone | 8.1666667 | -11.2 | 951 | 7687 |
| Yibema | city | Eastern Province | Sierra Leone | 8.5666667 | -10.6 | 921 | 17867 |
| Yibema | city | Eastern Province | Sierra Leone | 8.35 | -10.4666667 | 1099 | 6960 |
| Yikando | city | Eastern Province | Sierra Leone | 8 | -10.9166667 | 606 | 7431 |
| Yikando | city | Eastern Province | Sierra Leone | 8.1 | -10.8666667 | 800 | 7425 |
| Yilandu | city | Eastern Province | Sierra Leone | 8.9333333 | -10.6333333 | 1919 | 24936 |
| Yima | city | Eastern Province | Sierra Leone | 8.7833333 | -10.6166667 | 1358 | 25002 |
| Yindimi | city | Eastern Province | Sierra Leone | 8.9 | -10.5666667 | 1614 | 10657 |
| Yituma | city | Eastern Province | Sierra Leone | 8.6333333 | -11.0166667 | 1496 | 26670 |
| Yituma | city | Eastern Province | Sierra Leone | 8.75 | -10.7 | 1696 | 26664 |
| Yituma | city | Eastern Province | Sierra Leone | 8.6666667 | -10.5166667 | 1171 | 21402 |
| Yiwadu | city | Eastern Province | Sierra Leone | 8.8333333 | -10.6666667 | 1961 | 26657 |
| Yoabu | city | Eastern Province | Sierra Leone | 8.45 | -11.0333333 | 1177 | 25193 |
| Yogbodu | city | Eastern Province | Sierra Leone | 8.4833333 | -10.6333333 | 954 | 16092 |
| Yoka | city | Eastern Province | Sierra Leone | 7.7 | -11.3666667 | 485 | 7624 |
| Yokodu | city | Eastern Province | Sierra Leone | 8.7833333 | -11.0333333 | 1249 | 26660 |
| Yomadu | city | Eastern Province | Sierra Leone | 8.7333333 | -11.1 | 1148 | 26664 |
| Yomadu | city | Eastern Province | Sierra Leone | 8.65 | -10.5 | 1017 | 13163 |
| Yomanja | city | Eastern Province | Sierra Leone | 8.6 | -11.3166667 | 1010 | 26671 |
| Yombohun | city | Eastern Province | Sierra Leone | 8.45 | -11.3 | 938 | 13076 |
| Yombohun | city | Eastern Province | Sierra Leone | 8.4666667 | -11.3 | 846 | 16697 |
| Yomboia | city | Eastern Province | Sierra Leone | 8.45 | -11.1166667 | 1043 | 26683 |
| Yomudu | city | Eastern Province | Sierra Leone | 8.7333333 | -11.1 | 1148 | 26664 |
| Yongoima | city | Eastern Province | Sierra Leone | 8.2666667 | -11.2 | 1364 | 7686 |
| Yoni | city | Eastern Province | Sierra Leone | 8.0666667 | -11.3 | 541 | 7580 |
| Yoombarmo | city | Eastern Province | Sierra Leone | 8.2833333 | -10.9166667 | 977 | 7530 |
| Yoro | city | Eastern Province | Sierra Leone | 7.7333333 | -10.7 | 492 | 4827 |
| Yovohun | city | Eastern Province | Sierra Leone | 7.9244444 | -11.3755556 | 413 | 7226 |
| Yovuhun | city | Eastern Province | Sierra Leone | 7.9244444 | -11.3755556 | 413 | 7226 |
| Yowema | city | Eastern Province | Sierra Leone | 8.0833333 | -10.6333333 | 839 | 7351 |
| Yoya | city | Eastern Province | Sierra Leone | 7.9322222 | -10.7647222 | 839 | 7434 |
| Yuabu | city | Eastern Province | Sierra Leone | 8.35 | -11.5 | 1003 | 7449 |
| Yumbuma | city | Eastern Province | Sierra Leone | 8.1166667 | -11.0166667 | 610 | 7657 |
| Yuya | city | Eastern Province | Sierra Leone | 8.9333333 | -11 | 1505 | 26576 |
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