| Acuña | |
| Settlement Type: | Municipality |
| Mapsize: | 180px |
| Pushpin Label Position: | above |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mexico |
| Subdivision Type: | Country |
| Subdivision Name: |  Mexico |
| Subdivision Type1: | State |
| Subdivision Name1: | Coahuila |
| Subdivision Type2: | Municipal seat |
| Subdivision Name2: | Ciudad Acuña |
| Area Total Km2: | 11487.7 |
| Population As Of: | 2015 |
| Population Total: | 181,426 |
| Coordinates: | 29.5°N -146°W |
Acuña is one of the 38 municipalities of Coahuila, in north-eastern Mexico. The municipal seat lies at Ciudad Acuña, which contained over 98% of the municipality's population in 2010. The municipality covers an area of 11,487.7 km2 and is located on the international border between Mexico and the USA, here formed by the Río Bravo del Norte (Rio Grande), adjacent to the U.S. state of Texas.
In 2015, the municipality had a total population of 181,426 inhabitants. Acuña is currently the fastest growing city in Mexico.[1]
The largest localities (cities, towns, and villages) are:
| Name | 2010 Census Population | |
|---|---|---|
| 134,233 | ||
| Las Cuevas | 399 | |
| Calles | 373 | |
| Las Torres | 274 | |
| Balcones | 263 | |
| Total Municipality | 136,755 |