Borsa Italiana S.p.A., based in Milan, is Italy’s only stock exchange. It manages and organises domestic market, regulating procedures for admission and listing of companies and intermediaries and supervising disclosures for listed companies.Following exchange privatisation in 1997, the Company was established and became effective since 2 January 1998. It is now a subsidiary of the London Stock Exchange Group plc since 23 June 2007.In 2015, overall capitalisation for listed company on Borsa Italiana was worth €567.2 billion, representing 34.8% of Italian GDP.Borsa Italiana is also informally known as Piazza Affari , after the city square of Milan where its headquarters is located. Borsa Italiana is chaired by Andrea Sironi, and Raffaele Jerusalmi is the CEO. They are both directors of the London Stock Exchange Group.Borsa Italiana is regulated by the Commissione Nazionale per le Società e la Borsa , an agency of the Ministry of Economy and Finance, based in Rome.

More details: https://en.wikipedia.org/wiki/Borsa_Italiana