| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Sibaura | city | Tokyo-to | Japan | 35.6333333 | 139.75 | 3 | 611287 |
| Sibetsu | city | Hokkaido | Japan | 43.6536111 | 145.125 | 65 | 4594 |
| Sibetu | city | Hokkaido | Japan | 43.6536111 | 145.125 | 65 | 4594 |
| Sibusi | city | Kagoshima-ken | Japan | 31.4666667 | 131.105 | 0 | 21788 |
| Sidai | city | Yamaguchi-ken | Japan | 33.7833333 | 132.05 | 0 | 2628 |
| Sidaki | city | Okinawa-ken | Japan | 26.55 | 128.0502778 | 0 | 37922 |
| Siduoka | city | Shizuoka-ken | Japan | 34.9666667 | 138.3833333 | 42 | 51593 |
| Sige-i | city | Hiroshima-ken | Japan | 34.3333333 | 133.15 | 285 | 25577 |
| Sikabe | city | Hokkaido | Japan | 42.0258333 | 140.8211111 | 285 | 5837 |
| Sikiran | city | Okinawa-ken | Japan | 26.3058333 | 127.7852778 | 3 | 33995 |
| Simabara | city | Nagasaki-ken | Japan | 32.7833333 | 130.3666667 | 16 | 28934 |
| Simakatu | city | Mie-ken | Japan | 34.1166667 | 136.3 | 328 | 9011 |
| Simatokari | city | Hokkaido | Japan | 43.9230556 | 144.8002778 | 196 | 4631 |
| Simaziri | city | Okinawa-ken | Japan | 26.3052778 | 126.8019444 | 3 | 12630 |
| Simaziri | city | Okinawa-ken | Japan | 27.0166667 | 127.95 | 0 | 5227 |
| Simidu | city | Shizuoka-ken | Japan | 35.0166667 | 138.4833333 | 9 | 47982 |
| Simizu | city | Kochi-ken | Japan | 32.7666667 | 132.95 | 0 | 7133 |
| Simizu | city | Shizuoka-ken | Japan | 35.0166667 | 138.4833333 | 9 | 47982 |
| Simmachi | city | Nagano-ken | Japan | 36.3833333 | 138.3 | 1840 | 19527 |
| Simo-Kawaguti | city | Kochi-ken | Japan | 32.7833333 | 132.85 | 3 | 7894 |
| Simo-no-kae | city | Kochi-ken | Japan | 32.8666667 | 132.95 | 3 | 12373 |
| Simodate | city | Ibaraki-ken | Japan | 36.3 | 139.9833333 | 98 | 57055 |
| Simohuro | city | Aomori-ken | Japan | 41.4666667 | 141.1 | 147 | 5977 |
| Simonoseki | city | Yamaguchi-ken | Japan | 33.95 | 130.95 | 0 | 53534 |
| Simotahara | city | Wakayama-ken | Japan | 33.5333333 | 135.8666667 | 3 | 16956 |
| Simotuhukae | city | Kumamoto-ken | Japan | 32.4166667 | 130.0166667 | 984 | 19296 |
| Simotui | city | Okayama-ken | Japan | 34.4333333 | 133.7833333 | 0 | 11148 |
| Sindscho | city | Yamagata-ken | Japan | 38.7586111 | 140.3008333 | 328 | 15785 |
| Singu | city | Fukuoka-ken | Japan | 33.7166667 | 130.4333333 | 16 | 53252 |
| Singu | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Singū | city | Fukuoka-ken | Japan | 33.7166667 | 130.4333333 | 16 | 53252 |
| Singū | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Sinminato | city | Yamaguchi-ken | Japan | 34.1833333 | 132.2333333 | 45 | 20911 |
| Sinryu | city | Hokkaido | Japan | 43.05 | 144.85 | 3 | 5309 |
| Sinryū | city | Hokkaido | Japan | 43.05 | 144.85 | 3 | 5309 |
| Sintoku | city | Hokkaido | Japan | 43.0747222 | 142.8347222 | 620 | 7964 |
| Sinzi | city | Shimane-ken | Japan | 35.4 | 132.9 | 75 | 13704 |
| Sinzyo | city | Yamagata-ken | Japan | 38.7586111 | 140.3008333 | 328 | 15785 |
| Sioya | city | Kagoshima-ken | Japan | 31.25 | 130.3833333 | 3 | 10381 |
| Sioya | city | Kagoshima-ken | Japan | 30.4666667 | 130.9666667 | 3 | 14176 |
| Sioya | city | Hokkaido | Japan | 43.2166667 | 140.9333333 | 288 | 3326 |
| Sioziri | city | Nagano-ken | Japan | 36.1 | 137.9666667 | 2565 | 19601 |
| Sipetiya | city | Hokkaido | Japan | 43.2927778 | 144.6005556 | 65 | 7931 |
| Sipetu | city | Hokkaido | Japan | 43.6536111 | 145.125 | 65 | 4594 |
| Siramatu | city | Chiba-ken | Japan | 34.9166667 | 139.9333333 | 3 | 83261 |
| Siranuka | city | Aomori-ken | Japan | 41.1333333 | 141.4 | 0 | 9926 |
| Siranuka | city | Hokkaido | Japan | 42.95 | 144.0833333 | 0 | 3798 |
| Sirimi | city | Okayama-ken | Japan | 34.65 | 134.1666667 | 3 | 18857 |
| Siriusu | city | Hokkaido | Japan | 45.5091667 | 141.9372222 | 177 | 2561 |
| Siriuti | city | Hokkaido | Japan | 41.5869444 | 140.4236111 | 3 | 4278 |
| Siriya | city | Aomori-ken | Japan | 41.4 | 141.45 | 36 | 5936 |
| Siroisi | city | Miyagi-ken | Japan | 38.033333 | 140.6183333 | 308 | 37784 |
| Sirotori | city | Gifu-ken | Japan | 35.8833333 | 136.8666667 | 1312 | 24059 |
| Sisa | city | Nagasaki-ken | Japan | 33.35 | 129.7166667 | 0 | 22445 |
| Sisi | city | Nagasaki-ken | Japan | 33.3058333 | 129.4397222 | 177 | 19933 |
| Sisiki | city | Nagasaki-ken | Japan | 33.2 | 129.4 | 3 | 13003 |
| Sisimi | city | Nagasaki-ken | Japan | 34.5058333 | 129.3088889 | 311 | 22915 |
| Siskui | city | Tokushima-ken | Japan | 33.5666667 | 134.3 | 65 | 13947 |
| Sitara | city | Aichi-ken | Japan | 35.1 | 137.5666667 | 1614 | 164416 |
| Sitirui | city | Shimane-ken | Japan | 35.5666667 | 133.2166667 | 328 | 6944 |
| Sittsu | city | Hokkaido | Japan | 42.7880556 | 140.2255556 | 141 | 5492 |
| Situta | city | Okinawa-ken | Japan | 26.5683333 | 127.9763889 | 0 | 35421 |
| Sizuki | city | Hyogo-ken | Japan | 34.4333333 | 134.9 | 3 | 56700 |
| Sizuoka | city | Shizuoka-ken | Japan | 34.9666667 | 138.3833333 | 42 | 51593 |
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