Sant'Antonio dei Portoghesi stands at Via dei Portoghesi 2 in Rome and is about 98 feet (30 meters) long and 66 feet (20 meters) wide. A hospice for Portuguese pilgrims was founded in the fourteenth century, and the national church was founded beside it in 1445 at the initiative of Cardinal Antonio Martinez de Chaves.
The Baroque church was completed in the seventeenth century. Martino Longhi the Younger designed the rebuilding of 1638, Carlo Rainaldi designed the ribbed dome in 1674, and Cristoforo Schor continued the facade in 1695. Inside are polychrome marble, a stuccoed and frescoed barrel vault, and chapels with works by Pietro Bracci and Antonio Canova.
Napoleon's occupation closed it in 1799, and the Portuguese government regained it in 1814. It serves the Portuguese and Brazilian communities.

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