Question: What is the name of this region of Italy, referring to the medieval March of Ancona and nearby marches of Camerino and Fermo, where the comune Pollenza is located?
Sentence (from "Smerillo"): Smerillo is a "comune" (municipality) in the Province of Fermo in the Italian region Marche, located about 80 km south of Ancona, about 35 km northwest of Ascoli Piceno and about 35 km west of Fermo, on a spur midway from the Monti Sibillini and the Adriatic Sea.
Relevant evidence: No