Congonhas is a historical Brazilian city located in the state of Minas Gerais. It is situated 90 kilometres south from Belo Horizonte, the ca…Congonhas is a historical Brazilian city located in the state of Minas Gerais. It is situated 90 kilometres south from Belo Horizonte, the capital of state of Minas Gerais, by the highway BR-040. As of 2020, the city had a population of 55,309.