| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siom | city | Wallonie | Belgium | 50.02 | 5.48 | 1669 | 1897 |
| Siom | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.26 | 125.69 | 262 | 31268 |
| Sioma | city | Southern | Sierra Leone | 8.18 | -11.61 | 830 | 2829 |
| Sioma | city | Western | Zambia | -16.67 | 23.53 | 3349 | 745 |
| Sioma-Oma | city | Sumatera Utara | Indonesia | 1.86 | 99.31 | 3349 | 3425 |
| Siomaki | city | Vinnyts'ka Oblast' | Ukraine | 49.61 | 28.15 | 830 | 3129 |
| Siomakówka | city | Zhytomyrs'ka Oblast' | Ukraine | 50.85 | 28.06 | 830 | 1937 |
| Siomanaŭščyna | city | Brestskaya Oblast' | Belarus | 52.21 | 25.10 | 830 | 2235 |
| Siomanuru | city | Sulawesi Tenggara | Indonesia | -5.32 | 123.14 | 830 | 10783 |
| Siomaoma | city | Sumatera Utara | Indonesia | 1.86 | 99.31 | 3349 | 3425 |
| Siomau | city | Riau | Indonesia | 1.08 | 100.63 | 167 | 4415 |
| Siombala | city | Sumatera Utara | Indonesia | 2.64 | 98.74 | 4366 | 25281 |
| Siombihotsy | city | Mahajanga | Madagascar | -17.88 | 44.82 | 830 | 298 |
| Siombob | city | Sumatera Utara | Indonesia | 1.67 | 99.55 | 964 | 3703 |
| Siomboko | city | Zambezi | Namibia | -18.03 | 24.03 | 3349 | 532 |
| Siombung | city | Sumatera Utara | Indonesia | 2.18 | 98.19 | 36 | 11081 |
| Siomina | city | Vitebskaya Oblast' | Belarus | 55.30 | 30.65 | 830 | 0 |
| Siomkava | city | Minskaya Oblast' | Belarus | 54.01 | 27.44 | 830 | 3533 |
| Siomkaŭ Haradok | city | Minskaya Oblast' | Belarus | 54.01 | 27.47 | 830 | 11085 |
| Siomki | city | Lodzkie | Poland | 51.35 | 19.62 | 830 | 17283 |
| Siomkino | city | Kaluzhskaya Oblast' | Russia | 54.88 | 36.67 | 830 | 447 |
| Siompin | city | Aceh | Indonesia | 2.48 | 98.05 | 400 | 16092 |
| Siompu-ompu | city | Sumatera Utara | Indonesia | 2.43 | 99.17 | 3349 | 30864 |