UpAlphabetical listing of Places in Nigeria
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Si | city | Bauchi | Nigeria | 10.57 | 9.91 | 2093 | 4470 |
| Siama | city | | Nigeria | 5.22 | 5.82 | 78 | 33841 |
| Siba | city | Oyo | Nigeria | 7.38 | 3.78 | 830 | 323440 |
| Sibderena | city | Borno | Nigeria | 10.46 | 12.13 | 2020 | 9496 |
| Sibre | city | Taraba | Nigeria | 8.85 | 11.19 | 1115 | 6258 |
| Siche | city | Niger | Nigeria | 9.54 | 7.13 | 1669 | 8344 |
| Sidagau | city | | Nigeria | 8.23 | 12.07 | 2509 | 4172 |
| Sidda | city | | Nigeria | 11.53 | 9.07 | 1669 | 35535 |
| Side | city | Benue | Nigeria | 7.34 | 8.98 | 1049 | 168140 |
| Sidere | city | Borno | Nigeria | 11.80 | 14.38 | 928 | 984 |
| Sidigawo | city | Adamawa | Nigeria | 8.91 | 12.06 | 1220 | 12069 |
| Sidiki | city | Adamawa | Nigeria | 8.68 | 12.44 | 1669 | 9025 |
| Sidindu | city | Adamawa | Nigeria | 9.50 | 13.02 | 830 | 5383 |
| Sidingu | city | Sokoto | Nigeria | 12.94 | 5.41 | 958 | 9049 |
| Sidingu | city | Sokoto | Nigeria | 13.26 | 5.41 | 892 | 16165 |
| Sifawa | city | Sokoto | Nigeria | 12.82 | 5.13 | 902 | 31165 |
| Sifawa | city | Kebbi | Nigeria | 12.03 | 3.98 | 830 | 10959 |
| Sigaga | city | Borno | Nigeria | 13.30 | 12.93 | 971 | 3129 |
| Sigal | city | | Nigeria | 12.30 | 14.52 | 928 | 2436 |
| Sigau | city | Kaduna | Nigeria | 10.36 | 8.56 | 2542 | 12665 |
| Sigel | city | Borno | Nigeria | 12.02 | 14.55 | 931 | 0 |
| Sigidi | city | Bauchi | Nigeria | 9.67 | 9.35 | 3667 | 11245 |
| Sigire | city | | Nigeria | 9.93 | 12.62 | 1669 | 4522 |
| Sigire Fulbe | city | | Nigeria | 9.93 | 12.62 | 1669 | 4522 |
| Sigire Gudu | city | | Nigeria | 9.95 | 12.58 | 1669 | 4844 |
| Signal Station | city | Delta | Nigeria | 5.56 | 5.18 | 0 | 3855 |
| Sigo Baiyedo | city | | Nigeria | 7.02 | 3.15 | 246 | 12837 |
| Sigo Obalola | city | | Nigeria | 7.03 | 3.15 | 249 | 12791 |
| Sigunsin | city | | Nigeria | 6.93 | 3.85 | 232 | 4629 |
| Sii | city | Rivers | Nigeria | 4.60 | 7.41 | 830 | 33977 |
| Sika | city | | Nigeria | 8.57 | 4.45 | 997 | 6950 |
| Sikakakiri | city | Rivers | Nigeria | 4.67 | 7.01 | 1115 | 113066 |
| Sikali | city | Adamawa | Nigeria | 10.15 | 13.06 | 1938 | 7301 |
| Sikalmi | city | Adamawa | Nigeria | 10.43 | 12.97 | 2509 | 7301 |
| Sikemari | city | Adamawa | Nigeria | 10.16 | 13.14 | 1669 | 8687 |
| Sikemari | city | Adamawa | Nigeria | 10.09 | 13.25 | 2509 | 12922 |
| Sikiti | city | Niger | Nigeria | 9.62 | 7.11 | 1669 | 6410 |
| Sikiti | city | | Nigeria | 7.63 | 3.52 | 830 | 10882 |
| Sikolaba | city | Edo | Nigeria | 6.31 | 5.11 | 114 | 4172 |
| Sikoloba | city | Edo | Nigeria | 6.31 | 5.11 | 114 | 4172 |
| Silame | city | Sokoto | Nigeria | 13.04 | 4.85 | 830 | 14444 |
| Silbawa | city | Sokoto | Nigeria | 12.62 | 5.24 | 882 | 13999 |
| Siluko | city | Edo | Nigeria | 6.54 | 5.16 | 167 | 9833 |
| Simawa | city | Ogun | Nigeria | 6.76 | 3.49 | 219 | 13057 |
| Simbi | city | | Nigeria | 8.00 | 4.07 | 997 | 8164 |
| Sime | city | Rivers | Nigeria | 4.75 | 7.20 | 1669 | 16296 |
| Sime Luek | city | Rivers | Nigeria | 4.79 | 7.47 | 830 | 35672 |
| Sime Luekon | city | Rivers | Nigeria | 4.79 | 7.47 | 830 | 35672 |
| Simike | city | Adamawa | Nigeria | 10.58 | 13.48 | 3717 | 24794 |
| Simma | city | Benue | Nigeria | 7.97 | 8.81 | 830 | 7599 |
| Sina | city | Benue | Nigeria | 7.03 | 8.84 | 830 | 12628 |
| Sina | city | Plateau | Nigeria | 8.96 | 10.01 | 830 | 3278 |
| Sina Komde | city | Adamawa | Nigeria | 10.56 | 13.53 | 2509 | 18694 |
| Sina Mala | city | Adamawa | Nigeria | 10.52 | 13.52 | 3402 | 20056 |
| Sinal | city | Plateau | Nigeria | 8.96 | 10.01 | 830 | 3278 |
| Sinam | city | | Nigeria | 7.77 | 11.22 | 1669 | 894 |
| Sinau | city | | Nigeria | 9.03 | 3.35 | 1669 | 2052 |
| Sinbon | city | | Nigeria | 7.78 | 11.27 | 1036 | 894 |
| Sindi | city | Taraba | Nigeria | 8.93 | 11.18 | 830 | 6461 |
| Sindigawo Hamlets | city | Adamawa | Nigeria | 9.17 | 12.04 | 830 | 8598 |
| Sindigawo Jauro Yahaya | city | Adamawa | Nigeria | 9.18 | 12.05 | 830 | 8417 |
| Sindigawo Teme | city | Adamawa | Nigeria | 9.19 | 12.05 | 830 | 8021 |
| Sindiri | city | | Nigeria | 11.25 | 4.97 | 859 | 7600 |
| Sindiri | city | | Nigeria | 11.22 | 5.00 | 866 | 7599 |
| Singiokolo | city | Rivers | Nigeria | 4.48 | 6.94 | 1151 | 5088 |
| Singiokolo Creek | city | Ogun | Nigeria | 6.62 | 3.04 | 164 | 13157 |
| Sinkai | city | | Nigeria | 8.03 | 9.43 | 370 | 7705 |
| Sinko | city | Oyo | Nigeria | 7.43 | 3.75 | 830 | 25403 |
| Sinkwan | city | Plateau | Nigeria | 8.89 | 9.52 | 843 | 10579 |
| Sinogoro | city | | Nigeria | 9.17 | 3.15 | 1669 | 1822 |
| Sinson | city | | Nigeria | 7.77 | 11.22 | 1669 | 894 |
| Sintili | city | Niger | Nigeria | 11.31 | 4.99 | 1000 | 8320 |
| Sintire | city | | Nigeria | 9.93 | 12.43 | 2509 | 4470 |
| Sintri | city | | Nigeria | 9.93 | 12.43 | 2509 | 4470 |
| Sipata | city | | Nigeria | 8.67 | 4.43 | 1020 | 4945 |
| Sir Badu | city | Sokoto | Nigeria | 13.18 | 5.33 | 977 | 11149 |
| Sira | city | Kebbi | Nigeria | 10.24 | 4.66 | 830 | 4507 |
| Sirai | city | Sokoto | Nigeria | 13.18 | 5.25 | 872 | 9309 |
| Siraja | city | Borno | Nigeria | 11.36 | 13.99 | 1040 | 4684 |
| Siralle | city | Adamawa | Nigeria | 10.05 | 13.06 | 1669 | 5985 |
| Siralle | city | Adamawa | Nigeria | 10.05 | 13.07 | 1669 | 6436 |
| Sire | city | Sokoto | Nigeria | 12.93 | 5.20 | 915 | 48436 |
| Sire Bundum | city | | Nigeria | 12.27 | 4.03 | 830 | 12218 |
| Sire Yamusa | city | Kebbi | Nigeria | 11.23 | 4.07 | 830 | 4619 |
| Siri | city | Kebbi | Nigeria | 12.06 | 3.92 | 830 | 10360 |
| Siri | city | Bauchi | Nigeria | 10.81 | 9.80 | 1748 | 4358 |
| Siri | city | Bauchi | Nigeria | 10.63 | 10.22 | 1998 | 4470 |
| Siri | city | Adamawa | Nigeria | 10.41 | 13.14 | 1893 | 7605 |
| Siri Jalo | city | Sokoto | Nigeria | 13.12 | 5.32 | 912 | 30285 |
| Siri Kaduna | city | Sokoto | Nigeria | 13.01 | 5.05 | 830 | 8263 |
| Sirimodubo | city | Kebbi | Nigeria | 11.56 | 4.03 | 830 | 10154 |
| Sirimodubo | city | Kebbi | Nigeria | 11.55 | 4.00 | 830 | 10511 |
| Siripori | city | | Nigeria | 8.45 | 11.47 | 1669 | 3576 |
| Sirisanga | city | Kebbi | Nigeria | 11.58 | 4.00 | 830 | 11245 |
| Sirisanga Arawa | city | Kebbi | Nigeria | 11.58 | 4.00 | 830 | 11245 |
| Sirisanga Koho | city | Kebbi | Nigeria | 11.58 | 3.99 | 830 | 11439 |
| Siriwon | city | Lagos | Nigeria | 6.42 | 4.12 | 154 | 3495 |
| Sirko | city | Bauchi | Nigeria | 11.36 | 10.47 | 1669 | 15392 |
| Sisawa | city | Sokoto | Nigeria | 13.17 | 5.34 | 997 | 11974 |
| Sisi Bako | city | Gombe | Nigeria | 10.72 | 11.40 | 885 | 9089 |
| Sisinkwabo | city | Kebbi | Nigeria | 11.44 | 4.27 | 830 | 4619 |
| Sisita | city | Niger | Nigeria | 9.41 | 6.75 | 1669 | 8344 |
| Sissibaki | city | Nasarawa | Nigeria | 9.07 | 8.61 | 1889 | 11553 |
| Sita | city | Taraba | Nigeria | 7.09 | 10.17 | 892 | 7518 |
| Sitiningo | city | Adamawa | Nigeria | 9.19 | 12.24 | 830 | 12549 |
| Sitti | city | Sokoto | Nigeria | 13.34 | 4.97 | 1007 | 3129 |
| Sitti | city | Kano | Nigeria | 11.28 | 8.78 | 1909 | 19211 |
| Siyori | city | Jigawa | Nigeria | 12.32 | 9.27 | 1227 | 14595 |
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