| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sageun | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 127.05 | 55 | 2058346 |
| Sagun-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 127.05 | 55 | 2058346 |
| Sagŭn-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 127.05 | 55 | 2058346 |
| Saiki-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 127.0333333 | 62 | 2091980 |
| Saikicho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 127.0333333 | 62 | 2091980 |
| Saikichō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 127.0333333 | 62 | 2091980 |
| Sangdo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.95 | 137 | 1852178 |
| Sangdo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.95 | 137 | 1852178 |
| Sangdo-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.95 | 137 | 1852178 |
| Sangdo-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.95 | 137 | 1852178 |
| Segok-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 126.95 | 305 | 1090418 |
| Segok-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4647222 | 127.1080556 | 59 | 1675118 |
| Segyo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Segyo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Seihyoko | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Seihyokocho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Seihyōko | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Seihyōkochō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Seiko | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Seikō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Seiryo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 127.05 | 49 | 2058346 |
| Seiryo-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 127.05 | 49 | 2058346 |
| Seiryō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 127.05 | 49 | 2058346 |
| Seiryō-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 127.05 | 49 | 2058346 |
| Seocho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 127.0166667 | 301 | 1808232 |
| Seongnae | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.1166667 | 49 | 1913559 |
| Seongsu | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Seoul | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Seul | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Shiko-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9166667 | 698 | 1135244 |
| Shikō-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9166667 | 698 | 1135244 |
| Shinsoncho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Shinsonchō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Shinsonri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sihung | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Sihung-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Sihung-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Sihŭng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Sihŭng-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Sihŭng-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Sin'gil-cheil-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9 | 39 | 1586943 |
| Sin'gil-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9 | 39 | 1586943 |
| Sin'gye-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9666667 | 72 | 2118921 |
| Sin-gil | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9 | 39 | 1586943 |
| Sinch'on | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127.0833333 | 49 | 2095929 |
| Sinch'on-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sinch'on-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127.0833333 | 49 | 2095929 |
| Sinch'on-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sinch'on-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sinch'on-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127.0833333 | 49 | 2095929 |
| Sinch'ŏn | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127.0833333 | 49 | 2095929 |
| Sinch'ŏn-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127.0833333 | 49 | 2095929 |
| Sinch'ŏn-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127.0833333 | 49 | 2095929 |
| Sinchon | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sinchŏn | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sinyang | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.0666667 | 42 | 2095929 |
| Sinyang-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.0666667 | 42 | 2095929 |
| Sinyong-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 126.9666667 | 613 | 1582326 |
| Sinyong-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 126.9666667 | 613 | 1582326 |
| Sinyŏng-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 126.9666667 | 613 | 1582326 |
| Sinyŏng-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 126.9666667 | 613 | 1582326 |
| Sobinggo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sobinggo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sobinggo-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sobingo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Soch'o-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 127.0166667 | 301 | 1808232 |
| Soch'o-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 127.0166667 | 301 | 1808232 |
| Soenaep'i | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9166667 | 137 | 1852178 |
| Sogang | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sogang-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sogyo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Sogyo-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Sokang | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Song-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9166667 | 698 | 1135244 |
| Song-gol | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9166667 | 698 | 1135244 |
| Songang | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Songdo-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.95 | 137 | 1852178 |
| Songdong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 127.0333333 | 62 | 2091980 |
| Songnae-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.1166667 | 49 | 1913559 |
| Songnae-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.1166667 | 49 | 1913559 |
| Songsan-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Songsan-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Songsu-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Sonunp'i | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9166667 | 137 | 1852178 |
| Sonutp'i | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9166667 | 137 | 1852178 |
| Soul | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Sowon | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9333333 | 173 | 1852178 |
| Sowon-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9333333 | 173 | 1852178 |
| Sowon-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9333333 | 173 | 1852178 |
| Sugung | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Suigen | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Suisho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Suishoku | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Suishoku-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Sungbangp'yong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4666667 | 126.9919444 | 410 | 1877400 |
| Susaek | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Susaek-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Susaeng-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Susaik | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5833333 | 126.8833333 | 82 | 1432058 |
| Sye-ul | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Syou-ouen | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Sŏbinggo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sŏbinggo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sŏbinggo-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sŏbingo | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 127 | 45 | 2118921 |
| Sŏch'o-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 127.0166667 | 301 | 1808232 |
| Sŏgang | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sŏgang-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Sŏgyo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Sŏgyo-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Sŏngnae-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.1166667 | 49 | 1913559 |
| Sŏngsan-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Sŏngsan-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Sŏngsu-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Sŏul | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5663889 | 126.9997222 | 111 | 2022360 |
| Sŏwŏn-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9333333 | 173 | 1852178 |
| Sŏwŏn-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9333333 | 173 | 1852178 |
| Sŭngbangp'yŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4666667 | 126.9919444 | 410 | 1877400 |