Brissac is a little village located in the department of Herault, in the region Occitanie.
Its inhabitants are called Brissagols and Brissagoles.
Surrounded by the municipalities of Saint-André-de-Buèges, Saint-Bauzille-de-Putois and Ferrieres-les-Verreries, Brissac is located 3 km south-west of Saint-Bauzille-de-Putois.
The river Hérault and the rivers Lamalou and Buèges are the main rivers that cross the territory of the municipality.