| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siffari | city | Mexico | Mexico | 19.74 | -99.83 | 8697 | 34243 |
| Sila | city | Mexico | Mexico | 19.63 | -99.65 | 8510 | 22882 |
| Sirio | city | Mexico | Mexico | 19.77 | -102.40 | 7549 | 5532 |
| Siudad Chuaresas | city | Mexico | Mexico | 31.73 | -106.48 | 3753 | 175353 |