| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Yŏnsaegul | city | Chungnam | Korea, Republic of (South) | 36.56 | 126.47 | 19 | 6996 |
| Yŏnsal-li | city | Jeonnam | Korea, Republic of (South) | 34.53 | 126.29 | 396 | 7625 |
| Yŏnsan | city | Jeonnam | Korea, Republic of (South) | 34.53 | 126.29 | 396 | 7625 |
| Yŏnsan | city | Jeonbuk | Korea, Republic of (South) | 35.54 | 127.40 | 830 | 6138 |
| Yŏnsan | city | Gyeongbuk | Korea, Republic of (South) | 36.45 | 128.18 | 187 | 43072 |
| Yŏnsan | city | Gyeongbuk | Korea, Republic of (South) | 35.95 | 128.28 | 190 | 8344 |
| Yŏnsan-dong | city | Busan | Korea, Republic of (South) | 35.18 | 129.09 | 393 | 979632 |
| Yŏnsan-gol | city | Gangwon | Korea, Republic of (South) | 37.90 | 127.79 | 830 | 100571 |
| Yŏnsang-ni | city | Gangwon | Korea, Republic of (South) | 37.20 | 128.60 | 1669 | 19477 |
| Yŏnsanp’o | city | Jeonnam | Korea, Republic of (South) | 35.00 | 126.72 | 19 | 46531 |
| Yŏnsin | city | Chungbuk | Korea, Republic of (South) | 36.80 | 127.57 | 213 | 11674 |
| Yŏnsin-ni | city | Chungbuk | Korea, Republic of (South) | 36.80 | 127.57 | 213 | 11674 |
| Yŏnso | city | Jeonnam | Korea, Republic of (South) | 34.90 | 126.60 | 22 | 9136 |
| Yŏnso | city | Jeonnam | Korea, Republic of (South) | 34.45 | 127.12 | 830 | 4725 |
| Yŏnso-ri | city | Jeonnam | Korea, Republic of (South) | 34.45 | 127.12 | 118 | 4725 |
| Yŏnsu-dong | city | Korea, Republic of (South) | 35.85 | 127.67 | 1669 | 5065 | |
| Yŏnsŏ-ri | city | Chungnam | Korea, Republic of (South) | 36.16 | 127.11 | 42 | 74658 |
| Yŏnsŏk | city | Chungnam | Korea, Republic of (South) | 36.41 | 126.80 | 278 | 7748 |
| Yŏnsŏng-ni | city | Chungnam | Korea, Republic of (South) | 36.41 | 126.80 | 278 | 7748 |