| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sakada | city | Nagano | Japan | 36.64 | 138.32 | 1669 | 57415 |
| Sakai | city | Nagano | Japan | 36.83 | 138.63 | 3392 | 1750 |
| Sakai | city | Nagano | Japan | 36.47 | 138.18 | 1669 | 48250 |
| Sakaki | city | Nagano | Japan | 36.47 | 138.18 | 1669 | 48250 |
| Sakaki-machi | city | Nagano | Japan | 36.47 | 138.18 | 1669 | 48250 |
| Sakanaka | city | Nagano | Japan | 36.71 | 138.21 | 2624 | 87890 |
| Sakata | city | Nagano | Japan | 36.64 | 138.32 | 1669 | 57415 |
| Saku | city | Nagano | Japan | 36.22 | 138.48 | 2509 | 48513 |
| Saku-chhī | city | Nagano | Japan | 36.22 | 138.48 | 2509 | 48513 |
| Saku-shi | city | Nagano | Japan | 36.22 | 138.48 | 2509 | 48513 |
| Sakurasawa | city | Nagano | Japan | 36.71 | 138.35 | 1669 | 48182 |
| Sanada | city | Nagano | Japan | 36.45 | 138.32 | 2624 | 32787 |
| Sanadamachi-osa | city | Nagano | Japan | 36.45 | 138.32 | 2624 | 27262 |
| Sanadamachi-soehi | city | Nagano | Japan | 36.47 | 138.29 | 2624 | 27025 |
| Sano | city | Nagano | Japan | 36.73 | 138.42 | 2509 | 19900 |
| Sano | city | Nagano | Japan | 36.63 | 137.85 | 2624 | 5413 |
| Sasabe | city | Nagano | Japan | 36.22 | 137.95 | 1942 | 110514 |
| Sasadaira | city | Nagano | Japan | 36.61 | 138.08 | 1669 | 52842 |
| Sasaga | city | Nagano | Japan | 36.16 | 137.93 | 2509 | 84769 |
| Sasahara | city | Nagano | Japan | 36.02 | 138.26 | 4189 | 18993 |
| Sasahira | city | Nagano | Japan | 36.61 | 138.08 | 1669 | 52842 |
| Satoyamabe | city | Nagano | Japan | 36.23 | 138.00 | 2509 | 102885 |
| Sawado | city | Nagano | Japan | 36.64 | 137.85 | 2595 | 5364 |
| Sawado | city | Nagano | Japan | 36.16 | 137.65 | 3608 | 751 |
| Sawamura | city | Nagano | Japan | 36.37 | 137.98 | 2539 | 11026 |
| Sawando | city | Nagano | Japan | 36.16 | 137.65 | 3608 | 751 |
| Sawanodo | city | Nagano | Japan | 36.16 | 137.65 | 3608 | 751 |
| Sawanoto | city | Nagano | Japan | 36.16 | 137.65 | 3608 | 751 |
| Seba | city | Nagano | Japan | 36.09 | 137.91 | 2601 | 30047 |
| Seiman | city | Nagano | Japan | 36.34 | 138.52 | 3349 | 25855 |
| Sengataki-nakaku | city | Nagano | Japan | 36.37 | 138.59 | 3349 | 11289 |
| Serigasawa | city | Nagano | Japan | 36.03 | 138.23 | 3349 | 23277 |
| Shiga | city | Nagano | Japan | 36.02 | 138.13 | 2578 | 49041 |
| Shikumi | city | Nagano | Japan | 36.98 | 138.58 | 941 | 2668 |
| Shimajima | city | Nagano | Japan | 36.18 | 137.78 | 2624 | 7042 |
| Shimashima | city | Nagano | Japan | 36.18 | 137.78 | 2624 | 7042 |
| Shimmachi | city | Nagano | Japan | 36.57 | 138.01 | 1669 | 10091 |
| Shimmachi | city | Nagano | Japan | 36.35 | 138.18 | 1669 | 49508 |
| Shimo'oike | city | Nagano | Japan | 36.17 | 137.87 | 2509 | 45146 |
| Shimo-hata | city | Nagano | Japan | 36.19 | 137.86 | 2509 | 47422 |
| Shimo-kawara | city | Nagano | Japan | 36.32 | 138.42 | 2509 | 51213 |
| Shimo-nii | city | Nagano | Japan | 36.23 | 137.92 | 2007 | 93962 |
| Shimo-seinaiji | city | Nagano | Japan | 35.48 | 137.70 | 2624 | 9367 |
| Shimo-takeshi | city | Nagano | Japan | 36.29 | 138.23 | 2050 | 16988 |
| Shimo-ōike | city | Nagano | Japan | 36.17 | 137.87 | 2509 | 45146 |
| Shimoarai | city | Nagano | Japan | 36.06 | 138.59 | 3608 | 3034 |
| Shimodaira | city | Nagano | Japan | 35.73 | 137.97 | 1870 | 28929 |
| Shimodono | city | Nagano | Japan | 35.84 | 137.63 | 3349 | 2603 |
| Shimogawara | city | Nagano | Japan | 36.32 | 138.42 | 2509 | 51213 |
| Shimohata | city | Nagano | Japan | 36.19 | 137.86 | 2509 | 47422 |
| Shimohori | city | Nagano | Japan | 36.30 | 137.89 | 1833 | 53009 |
| Shimoikusaka | city | Nagano | Japan | 36.41 | 137.93 | 2509 | 16594 |
| Shimokawahara | city | Nagano | Japan | 36.32 | 138.42 | 2509 | 51213 |
| Shimomura | city | Nagano | Japan | 36.03 | 137.95 | 3477 | 16189 |
| Shimonii | city | Nagano | Japan | 36.23 | 137.92 | 2007 | 93962 |
| Shimonogō | city | Nagano | Japan | 36.36 | 138.22 | 1669 | 74432 |
| Shimotakeda | city | Nagano | Japan | 36.18 | 137.88 | 2509 | 61873 |
| Shimotakeshi | city | Nagano | Japan | 36.29 | 138.23 | 2050 | 16988 |
| Shimotono | city | Nagano | Japan | 35.84 | 137.63 | 3349 | 2603 |
| Shimo’ōike | city | Nagano | Japan | 36.17 | 137.87 | 2509 | 45146 |
| Shin-karuisawa | city | Nagano | Japan | 36.35 | 138.63 | 3349 | 12868 |
| Shin-karuizawa | city | Nagano | Japan | 36.35 | 138.63 | 3349 | 12868 |
| Shin-seba | city | Nagano | Japan | 36.09 | 137.91 | 2601 | 30047 |
| Shinakura | city | Nagano | Japan | 36.29 | 138.00 | 2624 | 58527 |
| Shinbo | city | Nagano | Japan | 36.73 | 138.36 | 1082 | 43825 |
| Shinden | city | Nagano | Japan | 36.71 | 137.87 | 2509 | 5531 |
| Shinden | city | Nagano | Japan | 36.03 | 137.97 | 3349 | 24076 |
| Shinden | city | Nagano | Japan | 36.48 | 138.25 | 2624 | 23134 |
| Shinkaruizawa | city | Nagano | Japan | 36.35 | 138.63 | 3349 | 12868 |
| Shinkomachi-yoshiwara | city | Nagano | Japan | 36.57 | 138.03 | 1860 | 16532 |
| Shinkōmachi-takano | city | Nagano | Japan | 36.55 | 138.04 | 2539 | 21415 |
| Shinkōmachi-wakuike | city | Nagano | Japan | 36.59 | 138.05 | 1669 | 31393 |
| Shinmachi | city | Nagano | Japan | 36.35 | 138.18 | 1669 | 49508 |
| Shinno | city | Nagano | Japan | 35.25 | 137.75 | 3349 | 2961 |
| Shinonoi | city | Nagano | Japan | 36.59 | 138.14 | 1174 | 116171 |
| Shinonoi-fuse-takada | city | Nagano | Japan | 36.59 | 138.14 | 1174 | 116171 |
| Shinonoi-shiozaki | city | Nagano | Japan | 36.55 | 138.12 | 1171 | 94304 |
| Shinshu-shinmachi-makinoshima | city | Nagano | Japan | 36.56 | 138.00 | 1683 | 7474 |
| Shinshu-shinmachi-shinmachi | city | Nagano | Japan | 36.57 | 138.01 | 1669 | 10091 |
| Shinshushinmachi-hiharahigashi | city | Nagano | Japan | 36.56 | 137.99 | 1669 | 7167 |
| Shinshushinmachi-nobushina | city | Nagano | Japan | 36.56 | 137.94 | 2509 | 5364 |
| Shinshū-shinmachi-minochi | city | Nagano | Japan | 36.59 | 138.04 | 1669 | 18190 |
| Shinshūshinmachi-sō | city | Nagano | Japan | 36.53 | 137.94 | 2814 | 4768 |
| Shinshūshinmachi-yamahokari | city | Nagano | Japan | 36.59 | 137.96 | 2509 | 6768 |
| Shiogawa | city | Nagano | Japan | 36.36 | 138.31 | 1817 | 53093 |
| Shiojiri | city | Nagano | Japan | 36.42 | 138.22 | 1669 | 70717 |
| Shiojiri | city | Nagano | Japan | 36.10 | 137.97 | 2565 | 45860 |
| Shiojiri-shi | city | Nagano | Japan | 36.10 | 137.97 | 2565 | 45860 |
| Shiokawa | city | Nagano | Japan | 36.36 | 138.31 | 1817 | 53093 |
| Shionada | city | Nagano | Japan | 36.27 | 138.42 | 2509 | 41996 |
| Shiono | city | Nagano | Japan | 36.34 | 138.50 | 2874 | 32384 |
| Shiono | city | Nagano | Japan | 36.34 | 138.47 | 2926 | 38050 |
| Shiosaki | city | Nagano | Japan | 36.55 | 138.12 | 1171 | 94304 |
| Shiosawa | city | Nagano | Japan | 36.30 | 138.32 | 2509 | 18534 |
| Shiozaki | city | Nagano | Japan | 36.55 | 138.12 | 1171 | 94304 |
| Shiraiwa | city | Nagano | Japan | 36.07 | 138.60 | 4189 | 3287 |
| Shizuma | city | Nagano | Japan | 36.83 | 138.35 | 1056 | 25474 |
| Simmachi | city | Nagano | Japan | 36.35 | 138.18 | 1669 | 49508 |
| Sioziri | city | Nagano | Japan | 36.10 | 137.97 | 2565 | 45860 |
| Sioziri-chhī | city | Nagano | Japan | 36.10 | 137.97 | 2565 | 45860 |
| Sogura | city | Nagano | Japan | 36.06 | 137.69 | 4189 | 1147 |
| Sonebara | city | Nagano | Japan | 36.46 | 137.87 | 2509 | 17263 |
| Sugadaira | city | Nagano | Japan | 36.52 | 138.33 | 4189 | 4571 |
| Suguri | city | Nagano | Japan | 36.27 | 138.15 | 3608 | 5333 |
| Suhara | city | Nagano | Japan | 35.70 | 137.70 | 2759 | 2543 |
| Susaka | city | Nagano | Japan | 36.65 | 138.32 | 1669 | 59591 |
| Suwa | city | Nagano | Japan | 36.04 | 138.12 | 2552 | 55776 |
| Suwa-chhī | city | Nagano | Japan | 36.04 | 138.12 | 2552 | 55776 |
| Suwa-shi | city | Nagano | Japan | 36.04 | 138.12 | 2552 | 55776 |
| Suzaka | city | Nagano | Japan | 36.65 | 138.32 | 1669 | 59591 |
| Suzaka | city | Nagano | Japan | 36.50 | 138.12 | 1227 | 56286 |
| Suzaka-shi | city | Nagano | Japan | 36.65 | 138.32 | 1669 | 59591 |
| Sōga | city | Nagano | Japan | 36.07 | 137.91 | 3477 | 22329 |