Collevecchio is of historical importance in that the Bishop of Teramo traditionally also carried the title, Baron of Collevecchio. The earliest known records relating to Collevecchio date back to 894 when the Bishop of Teramo, Giovanni I, was involved in a land exchange with a count from the Abruzzo region, Adelberto.
Collevecchio holds historical significance because it has been associated with the title of Baron since at least 894, when records show that the Bishop of Teramo, Giovanni I, exchanged land with a count from the Abruzzo region.