The municipality was created when it separated from Castelo on the 7th of May, 1964.
Castelo Real | Castelo Branco | Rodovia Castelo Branco | Viana do Castelo Municipality | Viana do Castelo | Castelo | Camilo Castelo Branco | Nossa Senhora da Conceição | Francisco Caldeira Castelo Branco | Flávio Conceição | Conceição do Castelo | Conceição de Ipanema | Castelo, Espírito Santo | Castelo de Paiva | Castelo Branco (district) | Adolfo Castelo |
At the site there was a village that eventually became the city of Conceição do Castelo on the headwaters of the Rio Castelo, a tributary of the Itapemirim.