| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siambal | city | San Martin | Peru | -7.02 | -76.60 | 1118 | 7244 |
| Silco | city | San Martin | Peru | -8.42 | -76.76 | 3474 | 149 |
| Sinamal | city | San Martin | Peru | -5.96 | -77.22 | 2562 | 11645 |
| Sion | city | San Martin | Peru | -7.67 | -76.79 | 1210 | 596 |
| Sisa | city | San Martin | Peru | -6.61 | -76.69 | 1811 | 7843 |