| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 성내 | city | P'yongbuk | Korea, Dem. Peoples Rep. of (North) | 39.81 | 124.23 | 127 | 2169 |
| 성내 | city | Gyeongbuk | Korea, Republic of (South) | 37.05 | 129.39 | 170 | 4675 |
| 성내 | city | Incheon | Korea, Republic of (South) | 37.77 | 126.30 | 0 | 891 |
| 성내 | city | Jeonbuk | Korea, Republic of (South) | 35.51 | 127.62 | 1669 | 6496 |
| 성내 | city | Jeonbuk | Korea, Republic of (South) | 35.94 | 127.66 | 958 | 5066 |
| 성내 | city | Gyeongnam | Korea, Republic of (South) | 34.89 | 128.50 | 830 | 34069 |
| 성내 | city | Chungbuk | Korea, Republic of (South) | 36.66 | 127.54 | 1125 | 81939 |
| 성내 | city | Ulsan | Korea, Republic of (South) | 35.39 | 129.34 | 157 | 32125 |
| 성내 | city | Ulsan | Korea, Republic of (South) | 35.52 | 129.40 | 830 | 302390 |
| 성내 | city | Gwangju | Korea, Republic of (South) | 35.22 | 126.75 | 45 | 52135 |
| 성내 | city | Jeonnam | Korea, Republic of (South) | 34.95 | 126.74 | 68 | 22732 |
| 성내동 | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.61 | 125.96 | 1669 | 4495 |
| 성내동 | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.68 | 130.28 | 239 | 6858 |
| 성내동 | city | Gangwon | Korea, Republic of (South) | 37.79 | 128.28 | 2509 | 2525 |
| 성내동 | city | Gangwon | Korea, Republic of (South) | 37.44 | 129.12 | 196 | 32837 |
| 성내동 | city | Seoul | Korea, Republic of (South) | 37.53 | 127.13 | 65 | 1680012 |
| 성내동 (Seongnaedong) | city | Gangwon | Korea, Republic of (South) | 37.44 | 129.12 | 196 | 32837 |
| 성내리 | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.80 | 130.16 | 383 | 10877 |
| 성내리 | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.44 | 126.96 | 918 | 7458 |
| 성내리 | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.52 | 126.66 | 1669 | 17135 |
| 성내리 | city | Chungnam | Korea, Republic of (South) | 36.87 | 126.99 | 141 | 13898 |
| 성내리 | city | Gyeongbuk | Korea, Republic of (South) | 36.53 | 129.41 | 216 | 0 |
| 성내말 | city | Gangwon | Korea, Republic of (South) | 38.11 | 128.63 | 16 | 12802 |