Barroso is a Brazilian municipality located in the south of the state of Minas Gerais. Its population was 20,897 people living in an area of . The elevation is . The city belongs to the mesoregion of Campo das Vertentes and to the microregion of Barbacena. An important regional center, Barbacena, is located to the east and is connected by MG-265.
According to IBGE (2017), the municipality is in the Immediate Geographic Region of Barbacena, in the Intermediate Geographic Region of Barbacena.
The municipality is part of the Roman Catholic Diocese of São João del-Rei.