[3] Itaguaçu borders the municipalities of Baixo Guandu to the northeast, Colatina to the north, São Roque do Canaã to the east, Itarana to the south, Laranja da Terra to the southeast, and Santa Teresa to the southeast.

[3] Itaguaçu was first colonized in the second half of the 14th century by Francisco da Silva Coutinho, Antônio Gonçalves Ferreira, Major José Vieira de Carvalho and José Teodoro de Andrade.

They worked for another native of Treviso in Santa Catarina for three years before twelve families moved to Boa Família in 1882.

[2] The Church of Matriz Nossa Senhora Medianeira de todas as Graças was built in the seat of the municipality in 1953.

It was built in the Gothic Revival style with twin spires that rise to 48 metres (157 ft).