Mesoregions of Brazil
A mesoregion was a subdivision of the Brazilian states, grouping together various municipalities in proximity and with common characteristics. They were abolished in 2017 and replaced by "intermediary geographic regions". The mesoregions were created by the Brazilian Institute of Geography and Statistics for statistical purposes and did not, therefore, constitute political or administrative areas. They were further divided into microregions., there were 5,569 municipalities, divided among 557 microregions and 136 mesoregions:
| State | Mesoregions | Microregions | Municipalities |
| Central-West Brazil | 14 | 51 | 466 |
| Goiás | 5 | 18 | 246 |
| Mato Grosso | 5 | 22 | 141 |
| Mato Grosso do Sul | 4 | 11 | 79 |
| Northeast Brazil | 42 | 188 | 1794 |
| Alagoas | 3 | 13 | 102 |
| Bahia | 7 | 32 | 417 |
| Ceará | 7 | 33 | 184 |
| Maranhão | 5 | 21 | 217 |
| Paraíba | 4 | 23 | 223 |
| Pernambuco | 5 | 19 | 185 |
| Piauí | 4 | 15 | 224 |
| Rio Grande do Norte | 4 | 19 | 167 |
| Sergipe | 3 | 13 | 75 |
| North Brazil | 20 | 64 | 450 |
| Acre | 2 | 5 | 22 |
| Amapá | 2 | 4 | 16 |
| Amazonas | 4 | 13 | 62 |
| Pará | 6 | 22 | 144 |
| Rondônia | 2 | 8 | 52 |
| Roraima | 2 | 4 | 15 |
| Tocantins | 2 | 8 | 139 |
| Southeast Brazil | 37 | 160 | 1668 |
| Espírito Santo | 4 | 13 | 78 |
| Minas Gerais | 12 | 66 | 853 |
| Rio de Janeiro | 6 | 18 | 92 |
| São Paulo | 15 | 63 | 645 |
| South Brazil | 23 | 94 | 1191 |
| Paraná | 10 | 39 | 399 |
| Rio Grande do Sul | 7 | 35 | 497 |
| Santa Catarina | 6 | 20 | 295 |
| Total | 136 | 557 | 5569 |
