| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sep'ai-gol | city | Chungnam | Korea, Republic of (South) | 36.78 | 126.87 | 164 | 36223 |
| Sep'o | city | Gyeongbuk | Korea, Republic of (South) | 36.96 | 129.42 | 0 | 3517 |
| Sep'o | city | Jeonnam | Korea, Republic of (South) | 34.64 | 127.63 | 3 | 19755 |
| Sep'o | city | Jeonnam | Korea, Republic of (South) | 34.42 | 126.10 | 278 | 3802 |
| Sep'o | city | Jeonnam | Korea, Republic of (South) | 34.67 | 125.45 | 0 | 2900 |
| Sep'o | city | Jeonnam | Korea, Republic of (South) | 34.42 | 127.07 | 0 | 2566 |
| Sep'o | city | Jeonnam | Korea, Republic of (South) | 34.34 | 126.86 | 118 | 4124 |
| Sep'o | city | Gangwon | Korea, Republic of (South) | 37.15 | 127.82 | 377 | 11797 |
| Sep'o-dong | city | Gyeongbuk | Korea, Republic of (South) | 36.96 | 129.42 | 0 | 3517 |
| Sep'o-ri | city | Jeonnam | Korea, Republic of (South) | 34.42 | 126.10 | 278 | 3802 |
| Sep'o-ri | city | Gyeongnam | Korea, Republic of (South) | 34.82 | 128.39 | 830 | 61494 |
| Sep'ung-ni | city | Jeonnam | Korea, Republic of (South) | 34.95 | 127.58 | 22 | 70997 |
| Sep'yong | city | Chungbuk | Korea, Republic of (South) | 36.85 | 127.82 | 347 | 12367 |
| Sep'yong-ni | city | Chungbuk | Korea, Republic of (South) | 36.85 | 127.82 | 347 | 12367 |
| Sepo | city | Jeonnam | Korea, Republic of (South) | 35.36 | 126.75 | 377 | 8472 |
| Seppo | city | Gyeongbuk | Korea, Republic of (South) | 37.05 | 129.06 | 2509 | 3924 |
| Seppo-ri | city | Gyeongbuk | Korea, Republic of (South) | 37.05 | 129.06 | 2509 | 3924 |
| Sep’ai-gol | city | Chungnam | Korea, Republic of (South) | 36.78 | 126.87 | 164 | 36223 |
| Sep’o | city | Gyeongbuk | Korea, Republic of (South) | 36.96 | 129.42 | 0 | 3517 |
| Sep’o | city | Jeonnam | Korea, Republic of (South) | 34.64 | 127.63 | 3 | 19755 |
| Sep’o | city | Jeonnam | Korea, Republic of (South) | 34.42 | 126.10 | 278 | 3802 |
| Sep’o | city | Jeonnam | Korea, Republic of (South) | 34.67 | 125.45 | 0 | 2900 |
| Sep’o | city | Jeonnam | Korea, Republic of (South) | 34.42 | 127.07 | 0 | 2566 |
| Sep’o | city | Jeonnam | Korea, Republic of (South) | 34.34 | 126.86 | 118 | 4124 |
| Sep’o | city | Gangwon | Korea, Republic of (South) | 37.15 | 127.82 | 377 | 11797 |
| Sep’o-dong | city | Gyeongbuk | Korea, Republic of (South) | 36.96 | 129.42 | 0 | 3517 |
| Sep’o-ri | city | Jeonnam | Korea, Republic of (South) | 34.42 | 126.10 | 278 | 3802 |
| Sep’o-ri | city | Gyeongnam | Korea, Republic of (South) | 34.82 | 128.39 | 830 | 61494 |
| Sep’ung-ni | city | Jeonnam | Korea, Republic of (South) | 34.95 | 127.58 | 22 | 70997 |
| Sep’yŏng | city | Chungbuk | Korea, Republic of (South) | 36.85 | 127.82 | 347 | 12367 |
| Sep’yŏng-ni | city | Chungbuk | Korea, Republic of (South) | 36.85 | 127.82 | 347 | 12367 |