| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sech'on-dong | city | Jeju | Korea, Republic of (South) | 33.50 | 126.62 | 406 | 61288 |
| Secheondong | city | Jeju | Korea, Republic of (South) | 33.27 | 126.68 | 9 | 6825 |
| Sech’ŏn-dong | city | Jeju | Korea, Republic of (South) | 33.50 | 126.62 | 406 | 61288 |
| Sehwa 1-li | city | Jeju | Korea, Republic of (South) | 33.33 | 126.80 | 203 | 9435 |
| Sehwa 2-ri | city | Jeju | Korea, Republic of (South) | 33.31 | 126.80 | 3 | 7653 |
| Sehwa i-ri | city | Jeju | Korea, Republic of (South) | 33.31 | 126.80 | 3 | 7653 |
| Sehwa il-li | city | Jeju | Korea, Republic of (South) | 33.33 | 126.80 | 203 | 9435 |
| Sehwa-ri | city | Jeju | Korea, Republic of (South) | 33.52 | 126.87 | 59 | 8363 |
| Sehwa-ri | city | Jeju | Korea, Republic of (South) | 33.50 | 126.84 | 269 | 13752 |
| Sehwa-ri | city | Jeju | Korea, Republic of (South) | 33.33 | 126.80 | 203 | 9435 |
| Sehwari | city | Jeju | Korea, Republic of (South) | 33.50 | 126.84 | 269 | 13752 |
| Sehwari | city | Jeju | Korea, Republic of (South) | 33.33 | 126.80 | 203 | 9435 |
| Seiki-ri | city | Jeju | Korea, Republic of (South) | 33.25 | 126.56 | 111 | 18002 |
| Seikiho | city | Jeju | Korea, Republic of (South) | 33.25 | 126.56 | 111 | 18002 |
| Seobutap | city | Jeju | Korea, Republic of (South) | 33.25 | 126.28 | 121 | 9627 |
| Seobutap | city | Jeju | Korea, Republic of (South) | 33.25 | 126.28 | 147 | 10516 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.46 | 126.37 | 265 | 10903 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.28 | 126.19 | 72 | 7692 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.31 | 126.69 | 367 | 11027 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.24 | 126.60 | 3 | 12418 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.47 | 126.34 | 52 | 9275 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.39 | 126.28 | 830 | 13935 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.45 | 126.34 | 360 | 12865 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.42 | 126.28 | 65 | 10344 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.36 | 126.27 | 830 | 15806 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.40 | 126.34 | 830 | 17504 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.31 | 126.71 | 275 | 10721 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.35 | 126.19 | 26 | 7826 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.23 | 126.24 | 52 | 6940 |
| Seodong | city | Jeju | Korea, Republic of (South) | 33.27 | 126.20 | 36 | 7696 |
| Seogareum | city | Jeju | Korea, Republic of (South) | 33.46 | 126.41 | 830 | 36673 |
| Seogwi | city | Jeju | Korea, Republic of (South) | 33.25 | 126.56 | 111 | 18002 |
| Seogwipo | city | Jeju | Korea, Republic of (South) | 33.25 | 126.56 | 111 | 18002 |
| Seohadong | city | Jeju | Korea, Republic of (South) | 33.22 | 126.26 | 45 | 6338 |
| Seohadong | city | Jeju | Korea, Republic of (South) | 33.44 | 126.33 | 255 | 13049 |
| Seohong | city | Jeju | Korea, Republic of (South) | 33.26 | 126.56 | 246 | 23320 |
| Seohwadong | city | Jeju | Korea, Republic of (South) | 33.40 | 126.25 | 65 | 9716 |
| Seojungdong | city | Jeju | Korea, Republic of (South) | 33.44 | 126.33 | 374 | 13049 |
| Seomundong | city | Jeju | Korea, Republic of (South) | 33.30 | 126.18 | 9 | 8170 |
| Seongjeondong | city | Jeju | Korea, Republic of (South) | 33.34 | 126.26 | 364 | 15812 |
| Seonnaegol | city | Jeju | Korea, Republic of (South) | 33.28 | 126.59 | 314 | 21807 |
| Seosang | city | Jeju | Korea, Republic of (South) | 33.27 | 126.60 | 357 | 18842 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.22 | 126.26 | 45 | 6167 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.44 | 126.31 | 177 | 9403 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.43 | 126.33 | 374 | 13049 |
| Seosangdong | city | Jeju | Korea, Republic of (South) | 33.22 | 126.25 | 16 | 6167 |
| Seoseongdong | city | Jeju | Korea, Republic of (South) | 33.42 | 126.31 | 308 | 14317 |
| Seoseongdong | city | Jeju | Korea, Republic of (South) | 33.27 | 126.65 | 0 | 8903 |
| Seosodong | city | Jeju | Korea, Republic of (South) | 33.28 | 126.73 | 3 | 7321 |
| Seoudong | city | Jeju | Korea, Republic of (South) | 33.35 | 126.25 | 360 | 15623 |
| Seouidong | city | Jeju | Korea, Republic of (South) | 33.30 | 126.71 | 203 | 10120 |