| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Isŏl-li | city | Gyeonggi | Korea, Republic of (South) | 37.36 | 127.42 | 872 | 22563 |
| Isŏlgae | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.56 | 129.94 | 849 | 10766 |
| Isŏltang | city | Gangwon | Korea, Republic of (South) | 37.84 | 128.85 | 13 | 26186 |
| Isŏm | city | Jeonnam | Korea, Republic of (South) | 34.56 | 127.21 | 3 | 9322 |
| Isŏng-dong | city | P'yongbuk | Korea, Dem. Peoples Rep. of (North) | 40.23 | 125.15 | 830 | 4776 |
| Isŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.22 | 127.25 | 55 | 1296 |
| Isŏng-ni | city | Jeonbuk | Korea, Republic of (South) | 35.80 | 127.05 | 183 | 115703 |
| Isŏngmal | city | P'yongnam | Korea, Dem. Peoples Rep. of (North) | 39.48 | 125.92 | 203 | 24819 |