The Basilica of San Lorenzo is a prominent church located in Florence, Italy. It is one of the largest churches in the city and serves as a significant example of Renaissance architecture. The basilica was originally founded in the 4th century and has undergone various renovations over the centuries, showcasing styles from different periods. The church is closely associated with the Medici family, who were influential patrons of the arts and played a crucial role in the development of Florence. Inside, visitors can find notable works of art, including sculptures by Donatello and the famous Laurentian Library, designed by Michelangelo.