| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Il-gol | city | Gangwon | Korea, Republic of (South) | 37.21 | 128.33 | 935 | 23198 |
| Il-li | city | Chungnam | Korea, Republic of (South) | 36.03 | 126.67 | 19 | 36412 |
| Il-li | city | Gyeongbuk | Korea, Republic of (South) | 36.16 | 128.24 | 219 | 34763 |
| Ilak-kol | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 126.83 | 65 | 316047 |
| Ilbandŭng | city | Gangwon | Korea, Republic of (South) | 37.16 | 128.95 | 3349 | 22462 |
| Ilbansŏng | city | Gyeongnam | Korea, Republic of (South) | 35.15 | 128.28 | 285 | 27200 |
| Ilbansŏng-myŏn | city | Gyeongnam | Korea, Republic of (South) | 35.15 | 128.28 | 285 | 27200 |
| Ilbeonji | city | Gyeongbuk | Korea, Republic of (South) | 35.86 | 128.36 | 85 | 8352 |
| Ilbi-ri | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.18 | 85 | 162154 |
| Ilbong-ni | city | Jeonnam | Korea, Republic of (South) | 34.92 | 127.14 | 830 | 6636 |
| Ilbu | city | Gyeongnam | Korea, Republic of (South) | 35.41 | 128.12 | 314 | 6953 |
| Ilbu-ri | city | Gyeongnam | Korea, Republic of (South) | 35.71 | 128.04 | 1669 | 5183 |
| Ilcha-ch'on | city | Gyeonggi | Korea, Republic of (South) | 36.96 | 126.87 | 9 | 5526 |
| Ilcha-ch’on | city | Gyeonggi | Korea, Republic of (South) | 36.96 | 126.87 | 9 | 5526 |
| Ilchach'on | city | Gangwon | Korea, Republic of (South) | 38.18 | 127.60 | 1046 | 2533 |
| Ilchach’on | city | Gangwon | Korea, Republic of (South) | 38.18 | 127.60 | 1046 | 2533 |
| Ilchang | city | Jeonnam | Korea, Republic of (South) | 34.62 | 126.37 | 0 | 4719 |
| Ilchong | city | Jeonnam | Korea, Republic of (South) | 34.62 | 126.37 | 0 | 4719 |
| Ilchong | city | Jeonnam | Korea, Republic of (South) | 34.36 | 126.99 | 3 | 3482 |
| Ilchong-dong | city | Gyeonggi | Korea, Republic of (South) | 37.65 | 126.88 | 62 | 334371 |
| Ilchuam | city | Gyeongnam | Korea, Republic of (South) | 35.59 | 127.74 | 1669 | 6705 |
| Ilchŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.62 | 126.37 | 0 | 4719 |
| Ilchŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.36 | 126.99 | 3 | 3482 |
| Ildo-dong | city | Jeju | Korea, Republic of (South) | 33.51 | 126.55 | 219 | 94866 |
| Ildomal | city | Chungbuk | Korea, Republic of (South) | 36.65 | 127.61 | 1082 | 25789 |
| Ilgak | city | Chungnam | Korea, Republic of (South) | 36.75 | 127.25 | 262 | 55488 |
| Ilgeon | city | Gangwon | Korea, Republic of (South) | 37.76 | 127.96 | 830 | 3790 |
| Ilgi | city | Chungnam | Korea, Republic of (South) | 36.94 | 126.69 | 26 | 22413 |
| Ilgommegi | city | Gangwon | Korea, Republic of (South) | 37.62 | 128.95 | 961 | 12937 |
| Ilgong-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.63 | 128.69 | 1125 | 7748 |
| Ilgopsil | city | Chungbuk | Korea, Republic of (South) | 37.01 | 127.86 | 334 | 45989 |
| Ilgwan | city | Gyeongbuk | Korea, Republic of (South) | 36.29 | 127.94 | 892 | 5868 |
| Ilgwan-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.29 | 127.94 | 892 | 5868 |
| Ilgwang | city | Busan | Korea, Republic of (South) | 35.26 | 129.23 | 3 | 37103 |
| Ilgwang-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.15 | 129.07 | 830 | 15189 |
| Ilgyon | city | Gyeongbuk | Korea, Republic of (South) | 36.10 | 129.05 | 830 | 9966 |
| Ilgŏn | city | Gangwon | Korea, Republic of (South) | 37.76 | 127.96 | 830 | 3790 |
| Ilim | city | Jeonbuk | Korea, Republic of (South) | 35.88 | 127.21 | 367 | 14177 |
| Iljakkul | city | Gyeonggi | Korea, Republic of (South) | 37.72 | 126.97 | 400 | 80209 |
| Iljichon | city | Gyeonggi | Korea, Republic of (South) | 36.96 | 126.87 | 9 | 5526 |
| Illagwŏn | city | Gangwon | Korea, Republic of (South) | 37.59 | 128.54 | 2509 | 1043 |
| Illam-ni | city | Chungnam | Korea, Republic of (South) | 36.81 | 126.45 | 167 | 43915 |
| Illisil | city | Gangwon | Korea, Republic of (South) | 37.44 | 128.04 | 1056 | 27446 |
| Illo | city | Jeonnam | Korea, Republic of (South) | 34.85 | 126.49 | 16 | 29138 |
| Illon | city | Gangwon | Korea, Republic of (South) | 37.29 | 128.02 | 1669 | 35690 |
| Illyang-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.56 | 129.36 | 68 | 0 |
| Illyangdong | city | Jeonnam | Korea, Republic of (South) | 35.01 | 126.96 | 377 | 22079 |
| Illyŏk | city | Chungnam | Korea, Republic of (South) | 36.25 | 126.81 | 6 | 9379 |
| Ilmosil | city | Gyeongbuk | Korea, Republic of (South) | 36.59 | 129.27 | 830 | 139 |
| Ilmuk-dong | city | Gyeonggi | Korea, Republic of (South) | 37.25 | 126.88 | 72 | 247333 |
| Ilmundong | city | Gangwon | Korea, Republic of (South) | 37.80 | 128.15 | 1099 | 2481 |
| Ilmyŏngdang | city | Gyeongnam | Korea, Republic of (South) | 35.21 | 128.36 | 830 | 17451 |
| Ilp'ae-dong | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.18 | 85 | 162154 |
| Ilp'ae-ri | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.18 | 85 | 162154 |
| Ilp'yong | city | Jeonnam | Korea, Republic of (South) | 34.46 | 126.57 | 177 | 8185 |
| Ilp'yong | city | Gyeongnam | Korea, Republic of (South) | 35.03 | 127.85 | 98 | 6981 |
| Ilp'yong | city | Jeonnam | Korea, Republic of (South) | 34.46 | 126.55 | 42 | 8166 |
| Ilp'yong-ch'on | city | Korea, Republic of (South) | 35.33 | 126.83 | 875 | 8493 | |
| Ilp'yong-ni | city | Jeonnam | Korea, Republic of (South) | 34.46 | 126.57 | 177 | 8185 |
| Ilp'yong-ni | city | Jeonnam | Korea, Republic of (South) | 34.45 | 126.56 | 203 | 8195 |
| Ilp'yong-ni | city | Korea, Republic of (South) | 35.33 | 126.83 | 875 | 8493 | |
| Ilpaedong | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.18 | 85 | 162154 |
| Ilpyeong | city | Jeonnam | Korea, Republic of (South) | 35.28 | 126.77 | 295 | 11115 |
| Ilp’ae-dong | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.18 | 85 | 162154 |
| Ilp’ae-ri | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.18 | 85 | 162154 |
| Ilp’yŏng | city | Jeonnam | Korea, Republic of (South) | 34.46 | 126.57 | 177 | 8185 |
| Ilp’yŏng | city | Gyeongnam | Korea, Republic of (South) | 35.03 | 127.85 | 98 | 6981 |
| Ilp’yŏng | city | Jeonnam | Korea, Republic of (South) | 34.46 | 126.55 | 42 | 8166 |
| Ilp’yŏng-ch’on | city | Korea, Republic of (South) | 35.33 | 126.83 | 875 | 8493 | |
| Ilp’yŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.46 | 126.57 | 177 | 8185 |
| Ilp’yŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.45 | 126.56 | 203 | 8195 |
| Ilp’yŏng-ni | city | Korea, Republic of (South) | 35.33 | 126.83 | 875 | 8493 | |
| Ilsal-li | city | Gyeonggi | Korea, Republic of (South) | 37.34 | 127.24 | 203 | 54172 |
| Ilsalli | city | Gyeonggi | Korea, Republic of (South) | 37.34 | 127.24 | 203 | 54172 |
| Ilsan | city | Gangwon | Korea, Republic of (South) | 38.18 | 127.81 | 1669 | 2534 |
| Ilsan-dong | city | Gangwon | Korea, Republic of (South) | 37.35 | 127.94 | 830 | 88663 |
| Ilsan-gu | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 126.78 | 26 | 248157 |
| Ilsan-ni | city | Gyeonggi | Korea, Republic of (South) | 37.68 | 126.77 | 59 | 214022 |
| Ilsan-ri | city | Gyeonggi | Korea, Republic of (South) | 37.34 | 127.24 | 203 | 54172 |
| Ilsandong | city | Gyeonggi | Korea, Republic of (South) | 37.68 | 126.77 | 59 | 214022 |
| Ilsandong | city | Jeonnam | Korea, Republic of (South) | 35.29 | 126.77 | 295 | 9713 |
| Ilsanil-tong | city | Gyeonggi | Korea, Republic of (South) | 37.68 | 126.77 | 59 | 214022 |
| Ilsech'on | city | Chungnam | Korea, Republic of (South) | 36.25 | 126.90 | 68 | 31684 |
| Ilsech’on | city | Chungnam | Korea, Republic of (South) | 36.25 | 126.90 | 68 | 31684 |
| Ilsil-li | city | Jeonnam | Korea, Republic of (South) | 34.58 | 126.52 | 124 | 10277 |
| Ilsil-li | city | Gyeonggi | Korea, Republic of (South) | 37.42 | 127.70 | 875 | 9836 |
| Ilsilli | city | Gyeonggi | Korea, Republic of (South) | 37.42 | 127.70 | 875 | 9836 |
| Ilsimdong | city | Jeonnam | Korea, Republic of (South) | 35.06 | 127.00 | 354 | 99516 |
| Ilsin | city | Jeonnam | Korea, Republic of (South) | 34.58 | 126.51 | 59 | 8745 |
| Ilsin | city | Gyeonggi | Korea, Republic of (South) | 37.23 | 127.55 | 183 | 50165 |
| Ilsin | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.30 | 337 | 77167 |
| Ilsin | city | Chungnam | Korea, Republic of (South) | 36.47 | 127.14 | 164 | 69946 |
| Ilsin | city | Gyeongbuk | Korea, Republic of (South) | 36.42 | 128.39 | 183 | 6854 |
| Ilsin | city | Chungbuk | Korea, Republic of (South) | 36.76 | 127.47 | 131 | 10016 |
| Ilsin-ni | city | Jeonnam | Korea, Republic of (South) | 34.58 | 126.51 | 59 | 8745 |
| Ilsin-ri | city | Gyeonggi | Korea, Republic of (South) | 37.42 | 127.70 | 875 | 9836 |
| Ilsindong | city | Gyeongnam | Korea, Republic of (South) | 35.60 | 128.42 | 167 | 15159 |
| Ilsingi | city | Chungnam | Korea, Republic of (South) | 36.74 | 127.24 | 180 | 55334 |
| Ilson | city | Gyeongbuk | Korea, Republic of (South) | 36.27 | 128.35 | 183 | 30183 |
| Ilsongchong | city | Gangwon | Korea, Republic of (South) | 37.76 | 128.30 | 2509 | 2533 |
| Ilsungch'on-ni | city | Chungnam | Korea, Republic of (South) | 36.78 | 127.20 | 416 | 74684 |
| Ilsŏl-li | city | Gyeongbuk | Korea, Republic of (South) | 36.27 | 128.36 | 406 | 30183 |
| Ilsŭngch’ŏn-ni | city | Chungnam | Korea, Republic of (South) | 36.78 | 127.20 | 416 | 74684 |
| Ilt'aebu | city | Gyeongnam | Korea, Republic of (South) | 35.40 | 128.37 | 226 | 8183 |
| Iltae | city | Jeonbuk | Korea, Republic of (South) | 35.53 | 127.60 | 1669 | 6287 |
| Iltae | city | Chungnam | Korea, Republic of (South) | 36.78 | 126.92 | 170 | 48344 |
| Iltae-ri | city | Jeonbuk | Korea, Republic of (South) | 35.53 | 127.60 | 1669 | 6287 |
| Iltchagul | city | Gyeonggi | Korea, Republic of (South) | 37.72 | 126.97 | 400 | 80209 |
| Ilto | city | Incheon | Korea, Republic of (South) | 37.54 | 126.61 | 0 | 53858 |
| Iltu | city | Gyeongbuk | Korea, Republic of (South) | 36.39 | 129.07 | 1007 | 4172 |
| Ilt’aebu | city | Gyeongnam | Korea, Republic of (South) | 35.40 | 128.37 | 226 | 8183 |