The building has two sides on the main square, on the highest part of the town.
The square has an irregular shape and the church is on the left side, with a closed volume and few windows.
It has a notable articulation whit chapels, transept and two bell towers, on for each short side; the one on the façade is public tower.
The façade is made with two different building materials, sandstone and clay, that point out two different phases of intervention.