The Biblioteca Nazionale Centrale di Roma (Rome National Central Library), in Rome, is one of two national libraries of Italy, along with Biblioteca Nazionale Centrale di Firenze in Florence. The library's mission is to collect and preserve all the publications in Italy and the most important foreign works, especially those related to Italy, and make them available to anyoneThe collection currently includes more than 7,000,000 printed volumes, 2,000 incunabula, 25,000 cinquecentine (16th century books), 8,000 manuscripts, 10,000 drawings, 20,000 maps, and 1,342,154 brochures.
It was founded in 1876.
More information on the Wikipedia page 
The website is .