Axiat is located some 27 km south-east of Foix and some 12 km north-west of Ax-les-Thermes. Access to the commune is by the D20 road from Appy in the west which passes through the south of the commune and the village before continuing south to Lordat. The commune is alpine in nature with snow-capped mountains in the north, extensive forests, and rugged terrain. There is some farming activity in the south near the village.[3]
The Ruisseau d'Axiat forms the southern border of the commune as it flows west to join the Ariege at Urs. The Ruisseau de la Cassagne forms the south-western border of the commune as it flows south to join the Ruisseau d'Axiat. The Ruisseau de Girabel forms the north-western border of the commune flows south to join the Ruisseau de la Cassagne. The Ruisseau de Sauquet rises north of the commune and flows south through the centre near the village and joins the Ruisseau d'Axiat on the southern border. The Ruisseau de Fontronne forms the eastern border of the commune as it flows south to join the Ruisseau d'Axiat on the southern border.[3]
There is also a hamlet called Axiat in the commune of Miglos.
