| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Atalaia | city | Piaui | Brazil | -9.10 | -45.92 | 938 | 10434 |
| Atalaia | city | Piaui | Brazil | -2.88 | -41.64 | 0 | 27377 |
| Atoleiro | city | Piaui | Brazil | -8.38 | -45.70 | 830 | 123 |
| Atoleiro | city | Piaui | Brazil | -6.05 | -41.62 | 1023 | 57 |
| Atoleiro | city | Piaui | Brazil | -3.67 | -42.60 | 82 | 4172 |
| Atrás dos Morros | city | Piaui | Brazil | -6.00 | -41.47 | 1000 | 0 |