| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ŏsa | city | Chungnam | Korea, Republic of (South) | 36.55 | 126.47 | 26 | 7323 |
| Ŏsa-gol | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 41.50 | 129.41 | 1850 | 7378 |
| Ŏsa-ri | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.33 | 125.84 | 200 | 21885 |
| Ŏsal-li | city | Jeonnam | Korea, Republic of (South) | 34.64 | 126.89 | 183 | 9540 |
| Ŏsan | city | Gyeonggi | Korea, Republic of (South) | 37.34 | 127.47 | 219 | 44530 |
| Ŏsang-dong | city | P'yongbuk | Korea, Dem. Peoples Rep. of (North) | 40.23 | 124.84 | 830 | 18200 |
| Ŏsangch’ŏn | city | Chungbuk | Korea, Republic of (South) | 37.10 | 128.35 | 1190 | 3918 |
| Ŏsaridŏk | city | Gangwon | Korea, Republic of (South) | 37.84 | 128.17 | 2775 | 2347 |
| Ŏsi | city | Jeonnam | Korea, Republic of (South) | 34.91 | 127.07 | 830 | 7965 |
| Ŏsi-ri | city | Jeonnam | Korea, Republic of (South) | 34.91 | 127.07 | 830 | 7965 |
| Ŏsich’ŏl-li | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.31 | 126.39 | 147 | 22350 |
| Ŏsil | city | Gyeongbuk | Korea, Republic of (South) | 35.74 | 128.36 | 830 | 10454 |
| Ŏsil-li | city | Chungnam | Korea, Republic of (South) | 36.48 | 126.83 | 830 | 7948 |
| Ŏsil-li | city | Gyeongnam | Korea, Republic of (South) | 35.07 | 128.41 | 101 | 55356 |
| Ŏsin-dong | city | P'yongbuk | Korea, Dem. Peoples Rep. of (North) | 40.54 | 125.16 | 830 | 4424 |
| Ŏsin-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.66 | 125.80 | 1217 | 5002 |
| Ŏsin-ri | city | P'yongbuk | Korea, Dem. Peoples Rep. of (North) | 40.54 | 125.16 | 830 | 4424 |
| Ŏsinjungttam | city | Gyeongnam | Korea, Republic of (South) | 35.07 | 128.42 | 131 | 50892 |
| Ŏsiri | city | Gyeonggi | Korea, Republic of (South) | 37.19 | 127.64 | 239 | 9191 |
| Ŏsu-dong | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.48 | 125.81 | 62 | 131209 |
| Ŏsu-dong | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.30 | 125.93 | 269 | 21672 |
| Ŏsu-ri | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.48 | 125.81 | 62 | 131209 |
| Ŏsŏ-ri | city | Gyeongnam | Korea, Republic of (South) | 35.50 | 127.84 | 341 | 5960 |
| Ŏsŏng-dong | city | P'yongyang | Korea, Dem. Peoples Rep. of (North) | 38.81 | 125.91 | 265 | 4410 |
| Ŏsŏng-ni | city | P'yongnam | Korea, Dem. Peoples Rep. of (North) | 39.48 | 125.50 | 39 | 75270 |
| Ŏsŏnyŏul | city | P'yongyang | Korea, Dem. Peoples Rep. of (North) | 39.00 | 126.05 | 134 | 13317 |
| Ŏsŭl-li | city | Chungnam | Korea, Republic of (South) | 36.48 | 126.83 | 830 | 7948 |