All Brazilien States - collected from http://www.brazil-help.com/brazilian_states.htm

list_brazilien_states.js

// WARNING: it sould be runned in http://www.brazil-help.com/brazilian_states.htm
// to get the same results

const list_brazilien_states = () => {
  const trs = document.querySelectorAll('.MsoNormalTable tr')
  let data = []

  trs.forEach((tr, index) => {
    if (index > 3) {
      const tds = tr.getElementsByTagName('td')
      const parseTds = str => str.replace('\n', '')
      const item = {
        abbr: parseTds(tds[0].innerText),
        name: parseTds(tds[1].innerText),
        capital: parseTds(tds[2].innerText),
        region: parseTds(tds[3].innerText),
        size: `${parseInt(tds[4].innerText.replace(',', ''))} km²`
      }
      data.push(item)
    }
  })

  return JSON.stringify(data, 0, 4)
}

list_brazilien_states()

result.json

[
    {
        "abbr": "AC",
        "name": "Acre",
        "capital": "Rio Branco",
        "region": "North",
        "size": "152581 km²"
    },
    {
        "abbr": "AL",
        "name": "Alagoas",
        "capital": "Maceió",
        "region": "Northeast",
        "size": "27767 km²"
    },
    {
        "abbr": "AP",
        "name": "Amapá",
        "capital": "Macapá",
        "region": "North",
        "size": "142814 km²"
    },
    {
        "abbr": "AM",
        "name": "Amazonas",
        "capital": "Manaus",
        "region": "North",
        "size": "1570 km²"
    },
    {
        "abbr": "BA",
        "name": "Bahia",
        "capital": "Salvador",
        "region": "Northeast",
        "size": "564692 km²"
    },
    {
        "abbr": "CE",
        "name": "Ceará",
        "capital": "Fortaleza",
        "region": "Northeast",
        "size": "148825 km²"
    },
    {
        "abbr": "DF",
        "name": "Distrito Federal",
        "capital": "Brasília",
        "region": "Center West",
        "size": "5801 km²"
    },
    {
        "abbr": "ES",
        "name": "Espírito Santo",
        "capital": "Vitória",
        "region": "Southeast",
        "size": "46077 km²"
    },
    {
        "abbr": "GO",
        "name": "Goiás",
        "capital": "Goiânia",
        "region": "Center West",
        "size": "340086 km²"
    },
    {
        "abbr": "MA",
        "name": "Maranhão",
        "capital": "São Luís",
        "region": "Northeast",
        "size": "331983 km²"
    },
    {
        "abbr": "MT",
        "name": "MatoGrosso",
        "capital": "Cuiabá",
        "region": "Center West",
        "size": "903357 km²"
    },
    {
        "abbr": "MS",
        "name": "MatoGrosso do Sul",
        "capital": "Campo Grande",
        "region": "Center West",
        "size": "357124 km²"
    },
    {
        "abbr": "MG",
        "name": "Minas Gerais",
        "capital": "Belo Horizonte",
        "region": "Southeast",
        "size": "586528 km²"
    },
    {
        "abbr": "PA",
        "name": "Pará",
        "capital": "Belém",
        "region": "North",
        "size": "1247 km²"
    },
    {
        "abbr": "PB",
        "name": "Paraíba",
        "capital": "João Pessoa",
        "region": "Northeast",
        "size": "56440 km²"
    },
    {
        "abbr": "PR",
        "name": "Paraná",
        "capital": "Curitiba",
        "region": "South",
        "size": "199315 km²"
    },
    {
        "abbr": "PE",
        "name": "Pernambuco",
        "capital": "Recife",
        "region": "Northeast",
        "size": "98311 km²"
    },
    {
        "abbr": "PI",
        "name": "Piauí",
        "capital": "Teresina",
        "region": "Northeast",
        "size": "251529 km²"
    },
    {
        "abbr": "RJ",
        "name": "Rio de Janeiro",
        "capital": "Rio de Janeiro",
        "region": "Southeast",
        "size": "43696 km²"
    },
    {
        "abbr": "RN",
        "name": "Rio Grande do Norte",
        "capital": "Natal",
        "region": "Northeast",
        "size": "52796 km²"
    },
    {
        "abbr": "RS",
        "name": "Rio Grande do Sul",
        "capital": "Porto Alegre",
        "region": "South",
        "size": "281748 km²"
    },
    {
        "abbr": "RO",
        "name": "Rondônia",
        "capital": "Porto Velho",
        "region": "North",
        "size": "237576 km²"
    },
    {
        "abbr": "RR",
        "name": "Roraima",
        "capital": "Boa Vista",
        "region": "North",
        "size": "224298 km²"
    },
    {
        "abbr": "SC",
        "name": "Santa Catarina",
        "capital": "Florianópolis",
        "region": "South",
        "size": "95346 km²"
    },
    {
        "abbr": "SP",
        "name": "São Paulo",
        "capital": "São Paulo",
        "region": "Southeast",
        "size": "248209 km²"
    },
    {
        "abbr": "SE",
        "name": "Sergipe",
        "capital": "Aracajú",
        "region": "Northeast",
        "size": "21910 km²"
    },
    {
        "abbr": "TO",
        "name": "Tocantins",
        "capital": "Palmas",
        "region": "North",
        "size": "277620 km²"
    }
]

results.yml

---
- abbr: AC
  name: Acre
  capital: Rio Branco
  region: North
  size: 152581 km²
- abbr: AL
  name: Alagoas
  capital: Maceió
  region: Northeast
  size: 27767 km²
- abbr: AP
  name: Amapá
  capital: Macapá
  region: North
  size: 142814 km²
- abbr: AM
  name: Amazonas
  capital: Manaus
  region: North
  size: 1570 km²
- abbr: BA
  name: Bahia
  capital: Salvador
  region: Northeast
  size: 564692 km²
- abbr: CE
  name: Ceará
  capital: Fortaleza
  region: Northeast
  size: 148825 km²
- abbr: DF
  name: Distrito Federal
  capital: Brasília
  region: Center West
  size: 5801 km²
- abbr: ES
  name: Espírito Santo
  capital: Vitória
  region: Southeast
  size: 46077 km²
- abbr: GO
  name: Goiás
  capital: Goiânia
  region: Center West
  size: 340086 km²
- abbr: MA
  name: Maranhão
  capital: São Luís
  region: Northeast
  size: 331983 km²
- abbr: MT
  name: MatoGrosso
  capital: Cuiabá
  region: Center West
  size: 903357 km²
- abbr: MS
  name: MatoGrosso do Sul
  capital: Campo Grande
  region: Center West
  size: 357124 km²
- abbr: MG
  name: Minas Gerais
  capital: Belo Horizonte
  region: Southeast
  size: 586528 km²
- abbr: PA
  name: Pará
  capital: Belém
  region: North
  size: 1247 km²
- abbr: PB
  name: Paraíba
  capital: João Pessoa
  region: Northeast
  size: 56440 km²
- abbr: PR
  name: Paraná
  capital: Curitiba
  region: South
  size: 199315 km²
- abbr: PE
  name: Pernambuco
  capital: Recife
  region: Northeast
  size: 98311 km²
- abbr: PI
  name: Piauí
  capital: Teresina
  region: Northeast
  size: 251529 km²
- abbr: RJ
  name: Rio de Janeiro
  capital: Rio de Janeiro
  region: Southeast
  size: 43696 km²
- abbr: RN
  name: Rio Grande do Norte
  capital: Natal
  region: Northeast
  size: 52796 km²
- abbr: RS
  name: Rio Grande do Sul
  capital: Porto Alegre
  region: South
  size: 281748 km²
- abbr: RO
  name: Rondônia
  capital: Porto Velho
  region: North
  size: 237576 km²
- abbr: RR
  name: Roraima
  capital: Boa Vista
  region: North
  size: 224298 km²
- abbr: SC
  name: Santa Catarina
  capital: Florianópolis
  region: South
  size: 95346 km²
- abbr: SP
  name: São Paulo
  capital: São Paulo
  region: Southeast
  size: 248209 km²
- abbr: SE
  name: Sergipe
  capital: Aracajú
  region: Northeast
  size: 21910 km²
- abbr: TO
  name: Tocantins
  capital: Palmas
  region: North
  size: 277620 km²