Where is the fuse box on a Fiat Punto?

I note that you did not stipulate the year of the Punto subject of your question. On the model which came out in 1999, the fuse box is located right next to the battery, it is situated between the battery and the left front wing, the lid of the plastic fuse box is held in place by light spring loaded clips, release the clips, lift the plastic cover and there are the fused