| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Agnes | city | Texas | United States | 32.97917 | -97.78833 | 1230 | 3134 |
| Agua Dulce | city | Texas | United States | 31.655 | -106.13833 | 4009 | 2009 |
| Agua Dulce | city | Texas | United States | 27.78139 | -97.90833 | 118 | 1003 |
| Agua Nueva | city | Texas | United States | 26.90139 | -98.6 | 403 | 61 |
| Aguilares | city | Texas | United States | 27.44833 | -99.08694 | 600 | 509 |
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