| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saebangjuam | city | Seoul | Korea, Republic of (South) | 33.45 | 126.45 | 862 | 71936 |
| Saemmal | city | Seoul | Korea, Republic of (South) | 37.68 | 127.06 | 154 | 1013262 |
| Saet'an-mal | city | Seoul | Korea, Republic of (South) | 37.45 | 127.07 | 830 | 1009731 |
| Saetanmal | city | Seoul | Korea, Republic of (South) | 37.45 | 127.07 | 830 | 1009731 |
| Saet’an-mal | city | Seoul | Korea, Republic of (South) | 37.45 | 127.07 | 830 | 1009731 |
| Samseong-dong | city | Seoul | Korea, Republic of (South) | 37.51 | 127.05 | 85 | 1441230 |
| Samseongdong | city | Seoul | Korea, Republic of (South) | 37.51 | 127.05 | 85 | 1441230 |
| Sangbongdong | city | Seoul | Korea, Republic of (South) | 37.60 | 127.09 | 91 | 1793720 |
| Sangdong | city | Seoul | Korea, Republic of (South) | 33.48 | 126.37 | 52 | 8712 |
| Sangnim-gol | city | Seoul | Korea, Republic of (South) | 37.64 | 126.92 | 278 | 620080 |
| Sangsudong | city | Seoul | Korea, Republic of (South) | 37.55 | 126.93 | 62 | 1582907 |
| Sangwolgok-dong | city | Seoul | Korea, Republic of (South) | 37.61 | 127.04 | 95 | 1736734 |
| Sangwolgok-tong | city | Seoul | Korea, Republic of (South) | 37.61 | 127.04 | 95 | 1736734 |
| Sangwolgokdong | city | Seoul | Korea, Republic of (South) | 37.61 | 127.04 | 95 | 1736734 |
| Sedongne | city | Seoul | Korea, Republic of (South) | 33.49 | 126.42 | 0 | 33907 |
| Segok-tong | city | Seoul | Korea, Republic of (South) | 37.60 | 126.95 | 305 | 1142147 |
| Seoburak | city | Seoul | Korea, Republic of (South) | 33.50 | 126.46 | 72 | 59506 |
| Seocho | city | Seoul | Korea, Republic of (South) | 37.49 | 127.02 | 108 | 1144608 |
| Seocho-dong | city | Seoul | Korea, Republic of (South) | 37.49 | 127.02 | 108 | 1144608 |
| Seochodong | city | Seoul | Korea, Republic of (South) | 37.49 | 127.02 | 108 | 1144608 |
| Seoel | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seol | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seongbuk-dong | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1322378 |
| Seongchonmaeul | city | Seoul | Korea, Republic of (South) | 37.47 | 127.02 | 104 | 1037420 |
| Seongnae-dong | city | Seoul | Korea, Republic of (South) | 37.53 | 127.13 | 65 | 1680012 |
| Seongnaedong | city | Seoul | Korea, Republic of (South) | 37.53 | 127.13 | 65 | 1680012 |
| Seongsu-dong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.04 | 29 | 1607659 |
| Seongsudong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.04 | 29 | 1607659 |
| Seoul | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seoul Special City | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seoul Te̍k-pia̍t-chhī | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seoul-si | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seoul-teukbyeolsi | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seowonanmal | city | Seoul | Korea, Republic of (South) | 37.69 | 127.04 | 95 | 855406 |
| Seul | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seula | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seulas | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seuls | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Seulum | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Shiko-ri | city | Seoul | Korea, Republic of (South) | 37.45 | 126.92 | 830 | 1301818 |
| Sigyuch'on | city | Seoul | Korea, Republic of (South) | 37.46 | 127.01 | 88 | 863891 |
| Sigyuchon | city | Seoul | Korea, Republic of (South) | 37.46 | 127.01 | 88 | 863891 |
| Sigyuchonmaeul | city | Seoul | Korea, Republic of (South) | 37.46 | 127.01 | 88 | 863891 |
| Sigyuch’on | city | Seoul | Korea, Republic of (South) | 37.46 | 127.01 | 88 | 863891 |
| Siheung-dong | city | Seoul | Korea, Republic of (South) | 37.45 | 126.91 | 272 | 1273131 |
| Siheungdong | city | Seoul | Korea, Republic of (South) | 37.45 | 126.91 | 272 | 1273131 |
| Sihung-ni | city | Seoul | Korea, Republic of (South) | 37.45 | 126.91 | 272 | 1273131 |
| Sin'gye-dong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.97 | 72 | 1511961 |
| Sinhyŏn | city | Seoul | Korea, Republic of (South) | 37.62 | 127.10 | 111 | 1330016 |
| Sinjeong-dong | city | Seoul | Korea, Republic of (South) | 37.52 | 126.86 | 29 | 1525090 |
| Sinjeongdong | city | Seoul | Korea, Republic of (South) | 37.52 | 126.86 | 29 | 1525090 |
| Sinnaedong | city | Seoul | Korea, Republic of (South) | 37.61 | 127.09 | 98 | 1558605 |
| Sinsadong | city | Seoul | Korea, Republic of (South) | 37.60 | 126.91 | 98 | 1001999 |
| Sinsasu | city | Seoul | Korea, Republic of (South) | 33.51 | 126.47 | 88 | 66342 |
| Sinwol-tong | city | Seoul | Korea, Republic of (South) | 37.52 | 126.83 | 95 | 1500083 |
| Sinwoldong | city | Seoul | Korea, Republic of (South) | 37.52 | 126.83 | 95 | 1500083 |
| Sinwondong | city | Seoul | Korea, Republic of (South) | 37.44 | 127.07 | 830 | 913241 |
| Sinwŏn-dong | city | Seoul | Korea, Republic of (South) | 37.44 | 127.07 | 830 | 913241 |
| Sinyang | city | Seoul | Korea, Republic of (South) | 37.52 | 127.07 | 55 | 1678244 |
| Sinyang-dong | city | Seoul | Korea, Republic of (South) | 37.52 | 127.07 | 55 | 1678244 |
| Sinyeong-dong | city | Seoul | Korea, Republic of (South) | 37.61 | 126.96 | 830 | 1184991 |
| Sinyeongdong | city | Seoul | Korea, Republic of (South) | 37.61 | 126.96 | 830 | 1184991 |
| Sinyong-jong | city | Seoul | Korea, Republic of (South) | 37.61 | 126.96 | 830 | 1184991 |
| Sinyŏng-dong | city | Seoul | Korea, Republic of (South) | 37.61 | 126.96 | 830 | 1184991 |
| Sin’gye-dong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.97 | 72 | 1511961 |
| Siū-ék | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Soenaep'i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Soenaep’i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Sogil | city | Seoul | Korea, Republic of (South) | 33.44 | 126.38 | 830 | 15850 |
| Song-dong | city | Seoul | Korea, Republic of (South) | 37.45 | 126.92 | 830 | 1301818 |
| Song-dong | city | Seoul | Korea, Republic of (South) | 37.47 | 127.01 | 275 | 1043829 |
| Song-gol | city | Seoul | Korea, Republic of (South) | 37.45 | 126.92 | 830 | 1301818 |
| Songbuk-tong | city | Seoul | Korea, Republic of (South) | 37.59 | 126.99 | 213 | 1322378 |
| Songdongmaeul | city | Seoul | Korea, Republic of (South) | 37.47 | 127.01 | 275 | 1043829 |
| Sonunp'i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Sonunp’i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Sonutp'i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Sonutp’i | city | Seoul | Korea, Republic of (South) | 37.48 | 126.92 | 137 | 1583682 |
| Soul | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Sowon | city | Seoul | Korea, Republic of (South) | 37.48 | 126.93 | 173 | 1573687 |
| Sowon-dong | city | Seoul | Korea, Republic of (South) | 37.48 | 126.93 | 173 | 1573687 |
| Sowonch'on | city | Seoul | Korea, Republic of (South) | 37.60 | 126.82 | 3 | 421253 |
| Ssangmun-dong | city | Seoul | Korea, Republic of (South) | 37.65 | 127.02 | 111 | 1124722 |
| Ssangmun-ni | city | Seoul | Korea, Republic of (South) | 37.65 | 127.02 | 111 | 1124722 |
| Ssangmundong | city | Seoul | Korea, Republic of (South) | 37.65 | 127.02 | 111 | 1124722 |
| Suigen | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Sujeongdong | city | Seoul | Korea, Republic of (South) | 33.49 | 126.43 | 59 | 41553 |
| Sungbangp'yong | city | Seoul | Korea, Republic of (South) | 37.47 | 126.99 | 410 | 1070493 |
| Suyudong | city | Seoul | Korea, Republic of (South) | 37.63 | 127.01 | 150 | 1304815 |
| Sye-ul | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Syou-ouen | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Szöul | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Sŏch’o-dong | city | Seoul | Korea, Republic of (South) | 37.49 | 127.02 | 108 | 1144608 |
| Sŏnghwangdang | city | Seoul | Korea, Republic of (South) | 37.68 | 127.04 | 104 | 961458 |
| Sŏulsiripkaengsaengwŏn | city | Seoul | Korea, Republic of (South) | 37.61 | 126.90 | 114 | 912261 |
| Sŏwŏn-ni | city | Seoul | Korea, Republic of (South) | 37.48 | 126.93 | 173 | 1573687 |
| Sŏwŏnch’on | city | Seoul | Korea, Republic of (South) | 37.60 | 126.82 | 3 | 421253 |
| Sŭngbangp’yŏng | city | Seoul | Korea, Republic of (South) | 37.47 | 126.99 | 410 | 1070493 |