Unione Sportiva Grosseto 1912 is an Italian association football club, based in the city of Grosseto, Tuscany. The club was founded in 1912 as Unione Ginnico Sportiva Grossetana.
Stadio Olimpico Carlo Zecchini (formerly known as Stadio Olimpico Comunale) is a multi-use stadium in Grosseto, Italy. It is currently used mostly for football matches and is the home ground of U.S. Grosseto. The stadium holds 10,200.
During the 1960 Summer Olympics in Rome, the stadium hosted several football preliminaries. It has also hosted home matches of U.S. Gavorrano and U.S. Pianese.
