The place names Albaredo and Campospinoso first appear in historical records in 973 and 1250 respectively. The
comuni of Campospinoso and Albaredo Arnaboldi were first merged to form the
comune of Campospinoso Albaredo in 1928, but the merger was undone in 1948. From September 2000 onward, the two
comuni were governed by a single municipal union, the Unione Campospinoso Albaredo. The citizens of Campospinoso and Albaredo Arnaboldi voted to
re-merge the two
comuni on 20 November 2022. The
Regional Council of Lombardy published the law effecting the merger on 14 November 2023, which went into effect on 18 November 2023. ==Economy and infrastructure==