| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Koya | city | Jeonbuk | Korea, Republic of (South) | 35.73 | 127.00 | 101 | 11597 |
| Koya-gol | city | Gangwon | Korea, Republic of (South) | 37.58 | 128.23 | 1784 | 250 |
| Koya-ri | city | Jeonnam | Korea, Republic of (South) | 34.45 | 126.18 | 141 | 7326 |
| Koyagok | city | Chungnam | Korea, Republic of (South) | 36.31 | 126.62 | 830 | 37508 |
| Koyambat | city | Gangwon | Korea, Republic of (South) | 37.66 | 128.96 | 830 | 17039 |
| Koyang | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 126.83 | 75 | 323686 |
| Koyang-dong | city | Chungnam | Korea, Republic of (South) | 36.79 | 126.54 | 62 | 28921 |
| Koyang-dong | city | Jeonbuk | Korea, Republic of (South) | 35.57 | 127.20 | 830 | 6407 |
| Koyang-dong | city | Jeonbuk | Korea, Republic of (South) | 35.89 | 127.08 | 16 | 89453 |
| Koyang-gol | city | Chungnam | Korea, Republic of (South) | 36.46 | 127.00 | 236 | 7371 |
| Koyang-ni | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 126.83 | 75 | 323686 |
| Koyang-ni | city | Chungnam | Korea, Republic of (South) | 36.46 | 127.00 | 236 | 7371 |
| Koyang-ni | city | Gangwon | Korea, Republic of (South) | 37.43 | 128.74 | 2509 | 2980 |
| Koyang-ni | city | Gangwon | Korea, Republic of (South) | 37.43 | 128.81 | 1847 | 2980 |
| Koyangnamu-gol | city | Chungbuk | Korea, Republic of (South) | 37.12 | 127.88 | 321 | 9268 |
| Koyari | city | Chungbuk | Korea, Republic of (South) | 37.08 | 127.62 | 321 | 13136 |
| Koyawi | city | Gyeonggi | Korea, Republic of (South) | 37.98 | 126.86 | 121 | 8492 |
| Koyedo | city | Gyeonggi | Korea, Republic of (South) | 37.57 | 126.59 | 0 | 40037 |
| Koyo | city | Jeonnam | Korea, Republic of (South) | 34.98 | 127.59 | 3 | 65086 |
| Koyo | city | Chungnam | Korea, Republic of (South) | 36.56 | 126.69 | 68 | 35358 |
| Koyo | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 126.83 | 75 | 323686 |
| Koyo | city | Jeonnam | Korea, Republic of (South) | 34.61 | 127.28 | 187 | 12034 |
| Koyo | city | Chungnam | Korea, Republic of (South) | 36.67 | 126.56 | 226 | 12650 |
| Koyo-ri | city | Chungnam | Korea, Republic of (South) | 36.56 | 126.69 | 68 | 35358 |
| Koyoho | city | Korea, Republic of (South) | 34.88 | 127.70 | 52 | 18923 | |
| Koyol-li | city | Gyeongbuk | Korea, Republic of (South) | 35.61 | 128.77 | 859 | 9239 |
| Koyon | city | Gyeongnam | Korea, Republic of (South) | 34.93 | 128.18 | 830 | 22574 |
| Koyong-dong | city | Jeju | Korea, Republic of (South) | 33.43 | 126.67 | 1669 | 18082 |
| Koyu | city | Jeonnam | Korea, Republic of (South) | 34.30 | 126.03 | 170 | 2744 |
| Koyuji | city | Gyeonggi | Korea, Republic of (South) | 37.24 | 126.59 | 0 | 3216 |
| Koyŏdae | city | Gangwon | Korea, Republic of (South) | 37.40 | 127.89 | 413 | 46670 |
| Koyŏmnamu-gol | city | Incheon | Korea, Republic of (South) | 37.52 | 126.51 | 134 | 9308 |
| Koyŏmnamu-gol | city | Chungnam | Korea, Republic of (South) | 36.69 | 126.64 | 141 | 10338 |
| Koyŏp | city | Gangwon | Korea, Republic of (South) | 37.79 | 128.00 | 967 | 2533 |