| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siddharthanagar | city | Nepal | 27.50 | 83.45 | 288 | 86020 | |
| Siddhathān | city | Nepal | 27.54 | 86.12 | 6181 | 11842 | |
| Siddhetar | city | Nepal | 27.18 | 86.35 | 3349 | 13682 | |
| Siddhidada | city | Nepal | 27.38 | 86.15 | 5029 | 16539 | |
| Siddhipur | city | Nepal | 27.65 | 85.36 | 4288 | 204504 | |
| Siddhiḍānḍā | city | Nepal | 27.38 | 86.15 | 5029 | 16539 | |
| Siddhiḍā̃ḍā | city | Nepal | 27.38 | 86.15 | 5029 | 16539 | |
| Siddhiṭol | city | Nepal | 27.74 | 85.31 | 4235 | 292352 | |
| Sidhipur | city | Nepal | 27.08 | 85.59 | 830 | 58156 | |
| Sidhnia Ghāt | city | Nepal | 28.06 | 81.72 | 830 | 23928 |