Brazil has 26 states and a Federal District, where the capital, Brasília, is located. Here are the abbreviations for them:
States
Acre - ACAlagoas - AL
Amapá - AP
Amazonas - AM
Bahia - BA
Ceará - CE
Goiás - GO
Espírito Santo - ES
Maranhão - MA
Mato Grosso - MT
Mato Grosso do Sul - MS
Minas Gerais - MG
Pará - PA
Paraíba - PB
Paraná - PR
Pernambuco - PE
Piauí - PI
Rio de Janeiro - RJ
Rio Grande do Norte - RN
Rio Grande do Sul - RS
Rondônia - RO
Roraima -RR
São Paulo - SP
Santa Catarina - SC
Sergipe - SE
Tocantins - TO
Federal District
Distrito Federal - DF
The list has been corrected. Roraima was missing.

