| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sabukawa | city | Wakayama-ken | Japan | 33.95 | 135.4666667 | 1512 | 28901 |
| Sada | city | Wakayama-ken | Japan | 33.5833333 | 135.7 | 547 | 28996 |
| Sada-jige | city | Wakayama-ken | Japan | 33.5833333 | 135.7 | 547 | 28996 |
| Saka | city | Wakayama-ken | Japan | 33.7333333 | 135.3333333 | 0 | 7263 |
| Sakae | city | Wakayama-ken | Japan | 33.65 | 135.4 | 101 | 18468 |
| Sakaemura | city | Wakayama-ken | Japan | 33.65 | 135.4 | 101 | 18468 |
| Sakai | city | Wakayama-ken | Japan | 34.15 | 135.2666667 | 328 | 28831 |
| Sakai | city | Wakayama-ken | Japan | 33.7333333 | 135.3333333 | 0 | 7263 |
| Sato | city | Wakayama-ken | Japan | 33.95 | 135.1166667 | 649 | 17108 |
| Schingu | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Seto | city | Wakayama-ken | Japan | 33.6833333 | 135.35 | 160 | 10172 |
| Shibuta | city | Wakayama-ken | Japan | 34.2666667 | 135.4833333 | 1112 | 28789 |
| Shimizu | city | Wakayama-ken | Japan | 34.0833333 | 135.4333333 | 1312 | 28859 |
| Shimizu | city | Wakayama-ken | Japan | 34.3 | 135.6 | 892 | 42848 |
| Shimminatocho | city | Wakayama-ken | Japan | 34.1833333 | 135.2 | 213 | 20800 |
| Shimminatochō | city | Wakayama-ken | Japan | 34.1833333 | 135.2 | 213 | 20800 |
| Shimo-tahara | city | Wakayama-ken | Japan | 33.5333333 | 135.8666667 | 3 | 16956 |
| Shimo-tawara | city | Wakayama-ken | Japan | 33.5333333 | 135.8666667 | 3 | 16956 |
| Shimosato | city | Wakayama-ken | Japan | 33.5833333 | 135.9166667 | 26 | 10664 |
| Shimotsu | city | Wakayama-ken | Japan | 34.1 | 135.15 | 810 | 16247 |
| Shingu | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Shingui | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Shingū | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Shinkomachi | city | Wakayama-ken | Japan | 34.1833333 | 135.2 | 213 | 20800 |
| Shinkōmachi | city | Wakayama-ken | Japan | 34.1833333 | 135.2 | 213 | 20800 |
| Shiotsu | city | Wakayama-ken | Japan | 34.1333333 | 135.1666667 | 236 | 21292 |
| Shirahama | city | Wakayama-ken | Japan | 33.6833333 | 135.35 | 160 | 10172 |
| Shiyotsu-mura | city | Wakayama-ken | Japan | 34.1333333 | 135.1666667 | 236 | 21292 |
| Shizukawa | city | Wakayama-ken | Japan | 33.8 | 135.75 | 567 | 28943 |
| Simotahara | city | Wakayama-ken | Japan | 33.5333333 | 135.8666667 | 3 | 16956 |
| Singu | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Singū | city | Wakayama-ken | Japan | 33.7333333 | 135.9833333 | 121 | 27918 |
| Sogawa | city | Wakayama-ken | Japan | 33.95 | 135.4666667 | 1512 | 28901 |
| Sokawa | city | Wakayama-ken | Japan | 33.95 | 135.4666667 | 1512 | 28901 |
| Sue | city | Wakayama-ken | Japan | 33.45 | 135.8333333 | 0 | 5939 |
| Susame | city | Wakayama-ken | Japan | 33.55 | 135.5 | 328 | 23423 |
| Susami | city | Wakayama-ken | Japan | 33.55 | 135.5 | 328 | 23423 |
| Sōgawa | city | Wakayama-ken | Japan | 33.95 | 135.4666667 | 1512 | 28901 |
| Sōkawa | city | Wakayama-ken | Japan | 33.95 | 135.4666667 | 1512 | 28901 |
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