| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sadan-dong | city | Cheju-do | Korea, Republic of (South) | 33.2902778 | 126.4433333 | 1154 | 28630 |
| Saehwa-ri | city | Cheju-do | Korea, Republic of (South) | 33.3313889 | 126.7961111 | 203 | 19006 |
| Saehwa-ri | city | Cheju-do | Korea, Republic of (South) | 33.5166667 | 126.8666667 | 59 | 20235 |
| Saekta-ri | city | Cheju-do | Korea, Republic of (South) | 33.2613889 | 126.4122222 | 278 | 28280 |
| Saektal-li | city | Cheju-do | Korea, Republic of (South) | 33.2613889 | 126.4122222 | 278 | 28280 |
| Saektal-tong | city | Cheju-do | Korea, Republic of (South) | 33.2613889 | 126.4122222 | 278 | 28280 |
| Saemi-dong | city | Cheju-do | Korea, Republic of (South) | 33.25 | 126.2333333 | 65 | 17385 |
| Sage-ri | city | Cheju-do | Korea, Republic of (South) | 33.2302778 | 126.2952778 | 26 | 20574 |
| Sagi-dong | city | Cheju-do | Korea, Republic of (South) | 33.2727778 | 126.2338889 | 121 | 28331 |
| Sagye-ri | city | Cheju-do | Korea, Republic of (South) | 33.2302778 | 126.2952778 | 26 | 20574 |
| Saishu | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5219444 | 150 | 15401 |
| Saishū | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5219444 | 150 | 15401 |
| Saisyu | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5219444 | 150 | 15401 |
| Saisyu Yu | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5219444 | 150 | 15401 |
| Saisyū | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5219444 | 150 | 15401 |
| Saisyū Yū | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5219444 | 150 | 15401 |
| Sajwa-dong | city | Cheju-do | Korea, Republic of (South) | 33.2902778 | 126.4433333 | 1154 | 28630 |
| Samdal i-ri | city | Cheju-do | Korea, Republic of (South) | 33.3688889 | 126.8652778 | 3 | 20912 |
| Samdal il-li | city | Cheju-do | Korea, Republic of (South) | 33.375 | 126.8427778 | 180 | 20912 |
| Samdal-li | city | Cheju-do | Korea, Republic of (South) | 33.375 | 126.8427778 | 180 | 20912 |
| Samyang | city | Cheju-do | Korea, Republic of (South) | 33.5166667 | 126.95 | 42 | 5703 |
| Samyang-dong | city | Cheju-do | Korea, Republic of (South) | 33.5336111 | 126.5961111 | 108 | 21319 |
| Samyang-ni | city | Cheju-do | Korea, Republic of (South) | 33.5336111 | 126.5961111 | 108 | 21319 |
| Sanch'ang-ni | city | Cheju-do | Korea, Republic of (South) | 33.2666667 | 126.3666667 | 459 | 29042 |
| Sanch'ondan | city | Cheju-do | Korea, Republic of (South) | 33.4480556 | 126.5533333 | 1223 | 34192 |
| Sanch'ŏndan | city | Cheju-do | Korea, Republic of (South) | 33.4480556 | 126.5533333 | 1223 | 34192 |
| Sanchi | city | Cheju-do | Korea, Republic of (South) | 33.5166667 | 126.5333333 | 150 | 15401 |
| Sang-dong | city | Cheju-do | Korea, Republic of (South) | 33.4833333 | 126.6333333 | 793 | 33597 |
| Sang-dong | city | Cheju-do | Korea, Republic of (South) | 33.4244444 | 126.6797222 | 1299 | 34192 |
| Sang-dong | city | Cheju-do | Korea, Republic of (South) | 33.4669444 | 126.77 | 698 | 34169 |
| Sang-piji | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.6833333 | 1315 | 34207 |
| Sangbiji | city | Cheju-do | Korea, Republic of (South) | 33.3833333 | 126.6833333 | 1315 | 34207 |
| Sangbophoch'on | city | Cheju-do | Korea, Republic of (South) | 33.3038889 | 126.5738889 | 908 | 34241 |
| Sangbŏphoch'ŏn | city | Cheju-do | Korea, Republic of (South) | 33.3038889 | 126.5738889 | 908 | 34241 |
| Sangch'ang-ni | city | Cheju-do | Korea, Republic of (South) | 33.2666667 | 126.3666667 | 459 | 29042 |
| Sangch'ol-li | city | Cheju-do | Korea, Republic of (South) | 33.3080556 | 126.3808333 | 1210 | 34241 |
| Sangch'on-ni | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.8333333 | 88 | 30345 |
| Sangch'ŏl-li | city | Cheju-do | Korea, Republic of (South) | 33.3080556 | 126.3808333 | 1210 | 34241 |
| Sangch'ŏn-ni | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.8333333 | 88 | 30345 |
| Sangga-ri | city | Cheju-do | Korea, Republic of (South) | 33.4011111 | 126.3802778 | 1584 | 34207 |
| Sanghwajon | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.4 | 1994 | 34224 |
| Sanghwajŏn | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.4 | 1994 | 34224 |
| Sanghyo-dong | city | Cheju-do | Korea, Republic of (South) | 33.3038889 | 126.5738889 | 908 | 34241 |
| Sanghyo-ri | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.6166667 | 328 | 26162 |
| Sangmo-ri | city | Cheju-do | Korea, Republic of (South) | 33.2077778 | 126.2883333 | 0 | 9116 |
| Sangmun-dong | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.4333333 | 1925 | 34241 |
| Sangui-ri | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.7 | 367 | 30855 |
| Sangye-ri | city | Cheju-do | Korea, Republic of (South) | 33.25 | 126.4 | 121 | 15668 |
| Sangŭi-ri | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.7 | 367 | 30855 |
| Sanji | city | Cheju-do | Korea, Republic of (South) | 33.5166667 | 126.5333333 | 150 | 15401 |
| Sanyang-ni | city | Cheju-do | Korea, Republic of (South) | 33.2941667 | 126.2336111 | 219 | 32371 |
| Sara-dong | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.45 | 479 | 21912 |
| Sara-ri | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.45 | 479 | 21912 |
| Sech'on-dong | city | Cheju-do | Korea, Republic of (South) | 33.5 | 126.6166667 | 406 | 31983 |
| Sech'ŏn-dong | city | Cheju-do | Korea, Republic of (South) | 33.5 | 126.6166667 | 406 | 31983 |
| Sehwa 1-li | city | Cheju-do | Korea, Republic of (South) | 33.3313889 | 126.7961111 | 203 | 19006 |
| Sehwa 2-ri | city | Cheju-do | Korea, Republic of (South) | 33.3116667 | 126.7994444 | 3 | 19006 |
| Sehwa i-ri | city | Cheju-do | Korea, Republic of (South) | 33.3116667 | 126.7994444 | 3 | 19006 |
| Sehwa il-li | city | Cheju-do | Korea, Republic of (South) | 33.3313889 | 126.7961111 | 203 | 19006 |
| Sehwa-ri | city | Cheju-do | Korea, Republic of (South) | 33.3313889 | 126.7961111 | 203 | 19006 |
| Sehwa-ri | city | Cheju-do | Korea, Republic of (South) | 33.5166667 | 126.8666667 | 59 | 20235 |
| Seiki-ri | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Seikiho | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Seogwi | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Shiko | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Shiko-ri | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Shikō | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Shikō-ri | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Shinko | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Shinko-ri | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Shinkō | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Shinkō-ri | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Sihung | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Sihung-ni | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Sihŭng | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Sihŭng-ni | city | Cheju-do | Korea, Republic of (South) | 33.4725 | 126.895 | 26 | 21444 |
| Sillye-ri | city | Cheju-do | Korea, Republic of (South) | 33.2855556 | 126.6313889 | 226 | 22843 |
| Sin-dong | city | Cheju-do | Korea, Republic of (South) | 33.5247222 | 126.8813889 | 32 | 12635 |
| Sin-piji-dong | city | Cheju-do | Korea, Republic of (South) | 33.3666667 | 126.6833333 | 1161 | 34224 |
| Sinan-dong | city | Cheju-do | Korea, Republic of (South) | 33.5166667 | 126.6333333 | 223 | 24208 |
| Sinbiji-dong | city | Cheju-do | Korea, Republic of (South) | 33.3666667 | 126.6833333 | 1161 | 34224 |
| Sinch'ang-ni | city | Cheju-do | Korea, Republic of (South) | 33.3527778 | 126.1855556 | 26 | 15193 |
| Sinch'ol-li | city | Cheju-do | Korea, Republic of (South) | 33.3438889 | 126.8525 | 3 | 20912 |
| Sinch'on-ni | city | Cheju-do | Korea, Republic of (South) | 33.5333333 | 126.6166667 | 62 | 21319 |
| Sinch'on-ni | city | Cheju-do | Korea, Republic of (South) | 33.3438889 | 126.8525 | 3 | 20912 |
| Sinch'ŏl-li | city | Cheju-do | Korea, Republic of (South) | 33.3438889 | 126.8525 | 3 | 20912 |
| Sinch'ŏn-ni | city | Cheju-do | Korea, Republic of (South) | 33.3438889 | 126.8525 | 3 | 20912 |
| Sindo 2-ri | city | Cheju-do | Korea, Republic of (South) | 33.2791667 | 126.1752778 | 19 | 17646 |
| Sindo-ri | city | Cheju-do | Korea, Republic of (South) | 33.2791667 | 126.1752778 | 19 | 17646 |
| Sinho-ri | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Sinhung i-ri | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.75 | 137 | 24734 |
| Sinhung il-li | city | Cheju-do | Korea, Republic of (South) | 33.3022222 | 126.7672222 | 3 | 24734 |
| Sinhung-ni | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.75 | 137 | 24734 |
| Sinhyo | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Sinhyo-dong | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Sinhyo-ri | city | Cheju-do | Korea, Republic of (South) | 33.2647222 | 126.6161111 | 118 | 26162 |
| Sinhŭng i-ri | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.75 | 137 | 24734 |
| Sinhŭng il-li | city | Cheju-do | Korea, Republic of (South) | 33.3022222 | 126.7672222 | 3 | 24734 |
| Sinhŭng-ni | city | Cheju-do | Korea, Republic of (South) | 33.3166667 | 126.75 | 137 | 24734 |
| Sinom-ni | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.3833333 | 255 | 17882 |
| Sinp'ung-ni | city | Cheju-do | Korea, Republic of (South) | 33.3616667 | 126.8355556 | 141 | 20912 |
| Sinp'yong-ni | city | Cheju-do | Korea, Republic of (South) | 33.2644444 | 126.2597222 | 147 | 31950 |
| Sinp'yŏng-ni | city | Cheju-do | Korea, Republic of (South) | 33.2644444 | 126.2597222 | 147 | 31950 |
| Sinsal-li | city | Cheju-do | Korea, Republic of (South) | 33.3855556 | 126.8797222 | 0 | 18193 |
| Sinsan-ni | city | Cheju-do | Korea, Republic of (South) | 33.3855556 | 126.8797222 | 0 | 18193 |
| Sinsang-ni | city | Cheju-do | Korea, Republic of (South) | 33.95 | 126.3333333 | 3 | 1186 |
| Sinso-dong | city | Cheju-do | Korea, Republic of (South) | 33.4269444 | 126.2891667 | 170 | 13661 |
| Sinsŏ-dong | city | Cheju-do | Korea, Republic of (South) | 33.4269444 | 126.2891667 | 170 | 13661 |
| Sinyang-ni | city | Cheju-do | Korea, Republic of (South) | 33.4369444 | 126.9183333 | 3 | 10841 |
| Sinŏm-ni | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.3833333 | 255 | 17882 |
| So-dong | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5625 | 259 | 18154 |
| Sogi-ri | city | Cheju-do | Korea, Republic of (South) | 33.4377778 | 126.3794444 | 652 | 29887 |
| Sogil-li | city | Cheju-do | Korea, Republic of (South) | 33.4377778 | 126.3794444 | 652 | 29887 |
| Sogwan-ni | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.3 | 380 | 30946 |
| Sogwang-ni | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.3 | 380 | 30946 |
| Sogwangdong-ni | city | Cheju-do | Korea, Republic of (South) | 33.2869444 | 126.3313889 | 570 | 30946 |
| Sogwangso-ri | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.3 | 380 | 30946 |
| Sogwi | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Sogwi-ri | city | Cheju-do | Korea, Republic of (South) | 33.4166667 | 126.2833333 | 137 | 13661 |
| Sogwi-ri | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Sogwip'o | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Sohong-dong | city | Cheju-do | Korea, Republic of (South) | 33.2658333 | 126.5558333 | 246 | 28188 |
| Sohong-ni | city | Cheju-do | Korea, Republic of (South) | 33.2658333 | 126.5558333 | 246 | 28188 |
| Somun-dong | city | Cheju-do | Korea, Republic of (South) | 33.5263889 | 126.88 | 32 | 12635 |
| Songdang-ni | city | Cheju-do | Korea, Republic of (South) | 33.4694444 | 126.7808333 | 725 | 34169 |
| Songnang | city | Cheju-do | Korea, Republic of (South) | 33.45 | 126.3666667 | 406 | 26871 |
| Songnang-dong | city | Cheju-do | Korea, Republic of (South) | 33.45 | 126.3666667 | 406 | 26871 |
| Songsan | city | Cheju-do | Korea, Republic of (South) | 33.4608333 | 126.9325 | 0 | 10735 |
| Songsan-ni | city | Cheju-do | Korea, Republic of (South) | 33.4608333 | 126.9325 | 0 | 10735 |
| Songum-ni | city | Cheju-do | Korea, Republic of (South) | 33.3858333 | 126.7983333 | 367 | 33780 |
| Songup | city | Cheju-do | Korea, Republic of (South) | 33.3858333 | 126.7983333 | 367 | 33780 |
| Sonhul-li | city | Cheju-do | Korea, Republic of (South) | 33.5122222 | 126.7075 | 423 | 26117 |
| Sonin-dong | city | Cheju-do | Korea, Republic of (South) | 33.4833333 | 126.7 | 774 | 34145 |
| Sorim-dong | city | Cheju-do | Korea, Republic of (South) | 33.25 | 126.2166667 | 22 | 17385 |
| Sowang-dong | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.4 | 285 | 17882 |
| Sudo-dong | city | Cheju-do | Korea, Republic of (South) | 33.3666667 | 126.7333333 | 643 | 34050 |
| Sugi-dong | city | Cheju-do | Korea, Republic of (South) | 33.4666667 | 126.65 | 1177 | 33597 |
| Sujang | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.2166667 | 127 | 25369 |
| Sujang-dong | city | Cheju-do | Korea, Republic of (South) | 33.35 | 126.2166667 | 127 | 25369 |
| Sumang-ni | city | Cheju-do | Korea, Republic of (South) | 33.3266667 | 126.7133333 | 400 | 28222 |
| Suryong | city | Cheju-do | Korea, Republic of (South) | 33.3091667 | 126.2411111 | 255 | 32371 |
| Suryong-dong | city | Cheju-do | Korea, Republic of (South) | 33.3091667 | 126.2411111 | 255 | 32371 |
| Susal-li | city | Cheju-do | Korea, Republic of (South) | 33.4458333 | 126.8836111 | 164 | 23778 |
| Susan i-ri | city | Cheju-do | Korea, Republic of (South) | 33.4363889 | 126.8630556 | 209 | 33060 |
| Susan il-li | city | Cheju-do | Korea, Republic of (South) | 33.4458333 | 126.8836111 | 164 | 23778 |
| Susan-ni | city | Cheju-do | Korea, Republic of (South) | 33.4458333 | 126.8836111 | 164 | 23778 |
| Suwon | city | Cheju-do | Korea, Republic of (South) | 33.4263889 | 126.2661111 | 39 | 13661 |
| Suwon-ni | city | Cheju-do | Korea, Republic of (South) | 33.4263889 | 126.2661111 | 39 | 13661 |
| Suwŏn | city | Cheju-do | Korea, Republic of (South) | 33.4263889 | 126.2661111 | 39 | 13661 |
| Suwŏn-ni | city | Cheju-do | Korea, Republic of (South) | 33.4263889 | 126.2661111 | 39 | 13661 |
| Sŏ-dong | city | Cheju-do | Korea, Republic of (South) | 33.5097222 | 126.5625 | 259 | 18154 |
| Sŏgwan-ni | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.3 | 380 | 30946 |
| Sŏgwang-ni | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.3 | 380 | 30946 |
| Sŏgwangdong-ni | city | Cheju-do | Korea, Republic of (South) | 33.2869444 | 126.3313889 | 570 | 30946 |
| Sŏgwangsŏ-ri | city | Cheju-do | Korea, Republic of (South) | 33.2833333 | 126.3 | 380 | 30946 |
| Sŏgwi | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Sŏgwi-ri | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Sŏgwip'o | city | Cheju-do | Korea, Republic of (South) | 33.2497222 | 126.56 | 118 | 15420 |
| Sŏhong-dong | city | Cheju-do | Korea, Republic of (South) | 33.2658333 | 126.5558333 | 246 | 28188 |
| Sŏhong-ni | city | Cheju-do | Korea, Republic of (South) | 33.2658333 | 126.5558333 | 246 | 28188 |
| Sŏmun-dong | city | Cheju-do | Korea, Republic of (South) | 33.5263889 | 126.88 | 32 | 12635 |
| Sŏngsan | city | Cheju-do | Korea, Republic of (South) | 33.4608333 | 126.9325 | 0 | 10735 |
| Sŏngsan-ni | city | Cheju-do | Korea, Republic of (South) | 33.4608333 | 126.9325 | 0 | 10735 |
| Sŏngŭm-ni | city | Cheju-do | Korea, Republic of (South) | 33.3858333 | 126.7983333 | 367 | 33780 |
| Sŏngŭp | city | Cheju-do | Korea, Republic of (South) | 33.3858333 | 126.7983333 | 367 | 33780 |
| Sŏnhŭl-li | city | Cheju-do | Korea, Republic of (South) | 33.5122222 | 126.7075 | 423 | 26117 |
| Sŏnin-dong | city | Cheju-do | Korea, Republic of (South) | 33.4833333 | 126.7 | 774 | 34145 |
| Sŏrim-dong | city | Cheju-do | Korea, Republic of (South) | 33.25 | 126.2166667 | 22 | 17385 |