The Biblioteca Roncioniana is a public library, founded in 1726, and located on Piazza San Francesco #27 in the historic center of Prato, region of Tuscany, Italy.
The library stands across the park from the church of San Francesco.
Wikipedia https://en.wikipedia.org/wiki/Biblioteca_Roncioniana
Address 25 Piazza San Francesco, Prato 59100, Italy
Coordinates 43°52'46.746" N 11°5'46.059" E