| Locality | Latitude | Longitude | Elevation | Postal Code |
|---|---|---|---|---|
| Rancho los Pavos Reales | 28.842986 | -100.598896 | 233 m | 26110 |
| Rancho MF | 28.657856 | -100.567392 | 250 m | 26090 |
| Raúl Martínez | 28.654297 | -100.575508 | 250 m | 26144 |
| Ricardo González (La Lobera) | 28.649072 | -100.487456 | 223 m | 26146 |
| Rincón de San Nicolás | 28.620068 | -100.464544 | 251 m | 26146 |
| Río Grande Serbas | 28.721297 | -100.546676 | 248.5 m | 26015 |
| Rodolfo Martínez (El Melado) | 28.769583 | -100.600464 | 260.5 m | 26140 |
| Rodolfo Terán Quintero | 28.877325 | -100.664333 | 240 m | 26125 |
| Rodrigo Fuentes | 28.89695 | -100.613554 | 232 m | 26120 |
| Rogelio de León | 28.817043 | -100.624751 | 248 m | 26136 |
| Salinas | 28.819492 | -100.553142 | 228 m | 26114 |
| Salvador Chavarría | 28.63792 | -100.480334 | 223 m | 26146 |
| San Carlos | 28.744767 | -100.589164 | 272 m | 26140 |
| San Cipriano | 28.655349 | -100.497053 | 223 m | 26145 |
| San Francisco | 28.630378 | -100.471507 | 223 m | 26146 |
| San Isidro | 28.866426 | -100.622278 | 233 m | 26110 |
| San Ramón | 28.638697 | -100.511039 | 253 m | 26145 |
| Santa Elisa | 28.641108 | -100.494173 | 223 m | 26145 |
| Santa María | 28.702271 | -100.605251 | 265 m | 26143 |
| Santo Cristo (La Viuda) | 28.769901 | -100.552093 | 227 m | 26117 |
| Silvano de Hoyos | 28.770317 | -100.545325 | 227 m | 26117 |
| Sonia del Valle | 28.713354 | -100.604936 | 272 m | 26143 |
| Valle Verde | 28.777097 | -100.537908 | 225 m | 26117 |
| Venu [Quinta] | 28.758022 | -100.590428 | 260.5 m | 26117 |
| Vicente Fuentes | 28.822132 | -100.556976 | 228 m | 26114 |
| Villa Manantial | 28.743258 | -100.584692 | 272 m | 26140 |
Piedras Negras is an Administrative divisions in Coahuila de Zaragoza Mexico.
Coahuila de Zaragoza