| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sech'ol-li | city | Daegu | Korea, Republic of (South) | 35.88 | 128.47 | 301 | 101977 |
| Sech'on | city | Daejeon | Korea, Republic of (South) | 36.34 | 127.49 | 830 | 206044 |
| Sech'on | city | Chungnam | Korea, Republic of (South) | 36.55 | 126.66 | 170 | 32734 |
| Sech'on | city | Gyeongbuk | Korea, Republic of (South) | 36.47 | 128.17 | 203 | 34734 |
| Sech'on 1-dong | city | Gyeongbuk | Korea, Republic of (South) | 36.42 | 128.67 | 830 | 5305 |
| Sech'on-dong | city | Jeju | Korea, Republic of (South) | 33.50 | 126.62 | 406 | 61288 |
| Sech'on-dong | city | Daegu | Korea, Republic of (South) | 35.88 | 128.47 | 301 | 101977 |
| Sech'on-dong | city | Daejeon | Korea, Republic of (South) | 36.34 | 127.49 | 830 | 206044 |
| Sechaengi | city | Daejeon | Korea, Republic of (South) | 36.37 | 127.50 | 830 | 192123 |
| Secheon | city | Daegu | Korea, Republic of (South) | 35.88 | 128.47 | 301 | 101977 |
| Secheon | city | Daejeon | Korea, Republic of (South) | 36.34 | 127.49 | 830 | 206044 |
| Secheondong | city | Jeju | Korea, Republic of (South) | 33.27 | 126.68 | 9 | 6825 |
| Sechon-ni | city | Daejeon | Korea, Republic of (South) | 36.34 | 127.49 | 830 | 206044 |
| Sech’on 1-dong | city | Gyeongbuk | Korea, Republic of (South) | 36.42 | 128.67 | 830 | 5305 |
| Sech’ŏl-li | city | Daegu | Korea, Republic of (South) | 35.88 | 128.47 | 301 | 101977 |
| Sech’ŏn | city | Daejeon | Korea, Republic of (South) | 36.34 | 127.49 | 830 | 206044 |
| Sech’ŏn | city | Chungnam | Korea, Republic of (South) | 36.55 | 126.66 | 170 | 32734 |
| Sech’ŏn | city | Gyeongbuk | Korea, Republic of (South) | 36.47 | 128.17 | 203 | 34734 |
| Sech’ŏn-dong | city | Jeju | Korea, Republic of (South) | 33.50 | 126.62 | 406 | 61288 |
| Sech’ŏn-dong | city | Daegu | Korea, Republic of (South) | 35.88 | 128.47 | 301 | 101977 |
| Sech’ŏn-dong | city | Daejeon | Korea, Republic of (South) | 36.34 | 127.49 | 830 | 206044 |