Campo Maior, Piauí

Campo Maior
Municipality of Campo Maior
Country Brazil
RegionNortheast
State Piauí
MesoregionCentro-Norte Piauiense
Population
 (2020 )
  Total
46,893
Time zoneUTC−3 (BRT)

Campo Maior, Piauí is a municipality in the state of Piauí in the Northeast region of Brazil.

Its Catedral Santo Antônio, dedicated to Saint Anthony, is the cathedral episcopal see of the Roman Catholic Diocese of Campo Maior.