| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| T'ojong-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.95 | 55 | 2056407 |
| T'ojong-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.95 | 55 | 2056407 |
| T'ojŏng-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.95 | 55 | 2056407 |
| T'ojŏng-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.95 | 55 | 2056407 |
| Taebang-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9333333 | 196 | 1852178 |
| Taech'i-ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 127.0666667 | 52 | 1805502 |
| Taehung-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Taehung-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Taehŭng-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Taehŭng-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9333333 | 68 | 1771161 |
| Taesa-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 127.0666667 | 52 | 1805502 |
| Tangin Ri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tangin-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tangin-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tangin-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tangin-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tanginri | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tansan | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5166667 | 126.8833333 | 26 | 1872890 |
| Tapsimni-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 127.05 | 49 | 2058346 |
| Tojimmachi | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tojin-cho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Toksan-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4666667 | 126.9 | 114 | 1586943 |
| Tokto | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Tokusomu | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Tonggyo-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Tonggyo-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Tonggyo-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.55 | 126.9166667 | 59 | 1771161 |
| Tongiak-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9666667 | 206 | 1877400 |
| Tongin River | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tongjak-jong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9666667 | 206 | 1877400 |
| Tongjak-jŏng | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9666667 | 206 | 1877400 |
| Tongjak-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9666667 | 206 | 1877400 |
| Tonong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 127.15 | 45 | 663698 |
| Tonong-ni | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6 | 127.15 | 45 | 663698 |
| Toto | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Ttuksom | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Ttuksŏm | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Tuksom | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Tuksŏm | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Tukto | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |
| Tōjimmachi | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tōjin-chō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 126.9166667 | 52 | 2056407 |
| Tōtō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5333333 | 127.05 | 3 | 2095929 |