Pedaso is a comune located in the Province of Fermo within the Marche region of central Italy. It is situated approximately 60 kilometres southeast of Ancona and about 35 kilometres northeast of Ascoli Piceno.
The municipality covers an area of 3.85 square kilometres and shares borders with the neighboring municipalities of Altidona and Campofilone. As of December 31, 2018, Pedaso had a recorded population of 2,854 residents.