| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| A. Stefenelli | city | Rio Negro | Argentina | -39.03 | -67.53 | 830 | 16356 |
| Aguada Cecilio | city | Rio Negro | Argentina | -40.86 | -65.80 | 830 | 396 |
| Aguada de Guerra | city | Rio Negro | Argentina | -41.06 | -68.36 | 3349 | 386 |
| Aguada de Guerro | city | Rio Negro | Argentina | -41.06 | -68.36 | 3349 | 386 |
| Aguada de Guzman | city | Rio Negro | Argentina | -39.98 | -68.87 | 3349 | 0 |
| Aguada de los Loros | city | Rio Negro | Argentina | -40.97 | -63.92 | 318 | 149 |
| Alejandro Stefenelli | city | Rio Negro | Argentina | -39.03 | -67.53 | 830 | 16356 |
| Allen | city | Rio Negro | Argentina | -38.98 | -67.83 | 830 | 15693 |
| Angostura N. Ruca | city | Rio Negro | Argentina | -41.10 | -70.30 | 3349 | 171 |
| Angostura Neneo Ruca | city | Rio Negro | Argentina | -41.10 | -70.30 | 3349 | 171 |
| Arenales | city | Rio Negro | Argentina | -38.35 | -67.87 | 1669 | 745 |
| Arroyo Los Berros | city | Rio Negro | Argentina | -41.43 | -66.10 | 1669 | 0 |
| Arroyo Verde | city | Rio Negro | Argentina | -41.92 | -66.17 | 1669 | 0 |
| Arroyo de la Ventana | city | Rio Negro | Argentina | -41.67 | -66.09 | 1669 | 0 |
| Atecan | city | Rio Negro | Argentina | -41.13 | -68.28 | 3349 | 0 |