A mesoregion () was a subdivision of the Brazilian states, grouping various municipalities in proximity and with common characteristics. They were abolished in 2017 and replaced by intermediate and immediate 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.
List of mesoregions , there were 5,570 municipalities, divided among 558 microregions and 137 mesoregions:Instituto Brasileiro de Geografia e Estatística, territorial division.
State Mesoregions Microregions Municipalities Central-West Brazil 15 52 466 Federal District 1 1 1 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
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