UpAlphabetical listing of Places in Provincia de San Luis
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Manantial | city | Provincia de San Luis | Argentina | -32.80 | -65.17 | 2775 | 745 |
| Manantial Blanco | city | Provincia de San Luis | Argentina | -32.90 | -65.80 | 4150 | 106 |
| Manantiales | city | Provincia de San Luis | Argentina | -32.65 | -65.63 | 3671 | 442 |
| Maroma Fallata | city | Provincia de San Luis | Argentina | -35.80 | -66.55 | 1095 | 8 |
| Maroma de Olmedo | city | Provincia de San Luis | Argentina | -35.33 | -66.47 | 1154 | 14 |
| Maroma de Paez | city | Provincia de San Luis | Argentina | -35.42 | -66.45 | 1151 | 0 |
| MartÃn de Loyola | city | Provincia de San Luis | Argentina | -35.62 | -66.28 | 1151 | 366 |
| Medanito | city | Provincia de San Luis | Argentina | -32.90 | -66.78 | 2368 | 0 |
| Melagro | city | Provincia de San Luis | Argentina | -33.10 | -66.37 | 2421 | 303 |
| Mercedes | city | Provincia de San Luis | Argentina | -33.67 | -65.47 | 1683 | 10650 |
| Merlo | city | Provincia de San Luis | Argentina | -32.35 | -65.03 | 2650 | 9261 |
| Molino Chico | city | Provincia de San Luis | Argentina | -33.03 | -65.48 | 3103 | 613 |
| Mosmota | city | Provincia de San Luis | Argentina | -33.63 | -66.98 | 1486 | 988 |
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