| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Thiên-ôn-sṳ | city | Chungnam | Korea, Republic of (South) | 36.81 | 127.15 | 75 | 94272 |
| Thyen-ān | city | Chungnam | Korea, Republic of (South) | 36.81 | 127.15 | 75 | 94272 |
| Thúc Thảo | city | Gangwon | Korea, Republic of (South) | 38.21 | 128.59 | 0 | 11461 |
| Thāi-tyen | city | Daejeon | Korea, Republic of (South) | 36.32 | 127.42 | 180 | 255768 |
| Thủ Nhĩ | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |