1666) is the main public library, since 2010 housed in the former convent of San Pietro located on Via di Fonte Avellana #8, in Gubbio, province of Perugia, Italy.
This library originated on 10 June 1666 with the donation to the city by the bishop of Gubbio, Alessandro Sperelli of his collection of over 7000 volumes.
Additional books derived from the 19th-century suppression of religious institutions.
In 2010, it was moved to its present location in the former Olivetan monastery of San Pietro.
[1] Among the treasures of the collection are two 16th-century globes, both of the world and the sky, completed by Matthäus Greuter (1556 - 1638).