Basilica di Santa Maria del Fiore of Florence, Italy, is the cathedral church (Duomo) of the Roman Catholic Archdiocese of Florence, noted for its distinctive dome and being Italy's third largest church after St Peter's in Rome and Milan Cathedral. It's name refers to the lily, symbol of Fiorenza.
The cathedral, the third to be built in Florence, was built on the site of the previous one, Santa Reparata, prompted by the magnificence of the new cathedrals in Pisa and Siena.