| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Secha | city | Tverskaya Oblast' | Russia | 56.71 | 33.85 | 830 | 447 |
| Sechan | city | Chukotskiy Avtonomnyy Okrug | Russia | 66.77 | 171.43 | 1669 | 0 |
| Sechenki | city | Smolenskaya Oblast' | Russia | 55.47 | 32.73 | 830 | 447 |
| Sechenki | city | Smolenskaya Oblast' | Russia | 55.33 | 32.82 | 830 | 388 |
| Secheno | city | Tul'skaya Oblast' | Russia | 53.88 | 37.78 | 830 | 2186 |
| Sechenovo | city | Nizhegorodskaya Oblast' | Russia | 55.22 | 45.89 | 830 | 745 |
| Sechenovo | city | Kaliningradskaya Oblast' | Russia | 54.42 | 21.99 | 347 | 1490 |
| Sechevo | city | Tul'skaya Oblast' | Russia | 53.66 | 37.02 | 830 | 2086 |
| Sechino | city | Tul'skaya Oblast' | Russia | 53.88 | 37.78 | 830 | 2186 |
| Sechishche | city | Permskiy Kray | Russia | 58.72 | 54.61 | 830 | 0 |
| Sechkovy | city | Kirovskaya Oblast' | Russia | 58.77 | 48.36 | 830 | 298 |
| Sechuga | city | Nizhegorodskaya Oblast' | Russia | 55.75 | 43.87 | 830 | 1341 |
| Seckenburg | city | Kaliningradskaya Oblast' | Russia | 55.06 | 21.38 | 42 | 1341 |