Granaio dell'Abbondanza, Historic granary in Oltrarno district, Florence, Italy.

The Granaio dell'Abbondanza is a storage building with a square fortress-like form located in the Oltrarno district of Florence. Its thick walls and fortified appearance reflect how valuable grain was to the city and how seriously it needed to be guarded.

Cosimo III de' Medici commissioned this granary in 1695 from architect Giovan Battista Foggini, because the Loggia del Grano near the Uffizi, built under Cosimo II, could no longer store enough grain for famines. Part of a wool guild tiratoio was demolished to make room, giving the nearby Piazza del Tiratoio its name. The Magistrato dell'Annona administered it; in the 19th century it became a military bakery, then the Cavalli barracks.

The large Medici coat of arms on the facade marks the building as a grand-ducal storehouse. Grain kept here was administered by the Magistrato dell'Annona, the office that oversaw the city's food supply. The square, free-standing plan, likened to a small fort, shows how carefully the reserve was guarded.

The complex was bought in 2017 by the Fondazione Cassa di Risparmio di Firenze and renovated inside by architect Annalisa Baracchi and engineer Giuliano Galzigni; it reopened in 2021. Since then it has housed the 42 Firenze coding school and the Nana Bianca startup studio, so it works as an active study and office space rather than a museum.

After serving as a grain storage facility, the building was repurposed as a military bakery and later as a place where soldiers received their draft notices. This series of transformations reveals how buildings adapt to the changing needs of each era.