ACF Fiorentina,commonly referred to as simply Fiorentina, is a professional Italian football club from Florence, Tuscany. Founded by a merger in 1926 (refounded in 2002 following bankruptcy), Fiorentina have played at the top level of Italian football for the majority of their existence; only four clubs have played in more Serie A seasons. Fiorentina have won two Italian Championships, in 1955–56 and again in 1968–69, as well as winning six Coppa Italia trophies and one Italian Super Cup. On the European stage, Fiorentina won the UEFA Cup Winners' Cup in 1960–61 and lost the final one year later. They finished runners-up in the 1956–57 European Cup, losing against Real Madrid, and also came close to winning the UEFA Cup, finishing as runners-up in the 1989–90 season. Since 1931, the club have played at the Stadio Artemio Franchi, which currently has a capacity of 47,282. The stadium has used several names over the years and has undergone several renovations. Fiorentina are known widely by the nickname Viola, a reference to their distinctive purple colours.

Stadio Artemio Franchi is a multi-purpose stadium in Siena, Italy. It is currently used mostly for football matches and the home of A.C. Siena. The stadium was built in 1923 and holds 15,373. It is named after former Italian Football Federation president Artemio Franchi. In summer 2007, A.C. Siena agreed to rename the stadium into Stadio Artemio Franchi – Montepaschi Arena, to include the name of their main sponsor, Banca Monte dei Paschi di Siena. The stadium hosted its first and so far only international match on 17 October 2010, a 2-0 friendly win for Italy over South Africa. During March 2011, A.C. Siena announced plans to build a new stadium on the southern outskirts of the city at Isola d'Arbia. The new stadium, with a capacity of 20,000, features a revolutionary below ground design which was honored with an MIPIM AR Future Projects Award.