SeeHistoric building

Palazzo della Ragione

The Palazzo della Ragione ("Palace of Reason") is a historic building in Milan, Italy, located in Piazza Mercanti, facing the Loggia degli Osii. Built in the 13th century, it originally served as a broletto—an administrative and judicial building. As the second broletto constructed in Milan, it is also known as the Broletto Nuovo ("New Broletto").

From Wikipedia, CC BY-SA 4.0.

Address: Piazza dei Mercanti, 1
Phone: +390243353535
Website: palazzodellaragionefotografia.it (opens in a new tab)

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Place data from OpenStreetMap, © OpenStreetMap contributors, ODbL.

Also listed in Overture Maps open data.

Updated 29 Sept 2026. Something wrong? Tell us.

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SeeMemorial
Milano per la Resistenza
SeeCentro Storico
Piazza dei Mercanti
A truly enchanting and tiny medieval square, hidden by the grand palaces in the central part of Milan. Here, in "Merchants' Square" you get lovely Gothic and Renaissance-porticoed houses, and a well right in the middle. At the one side of the square there is the Palazzo della Ragione (1233), the old town hall, aka Broletto Nuovo. At the other – Loggia degli Osii (1321) decorated with black and white marble, used to host judicial and notary offices. At Christmas time, the square fills up with markets selling local produce, including mouth-watering panettone, sweets, bonbons and souvenirs.
SeeMonument
Simbolo Scrofa Semilanuta
SeeHistoric building
Casa dei Panigarola
Casa Panigarola (or Casa dei Panigarola), also known as Palazzo dei Notai ("Palace of the Notaries"), is a historic building of Milan, Italy, located in Piazza Mercanti, former city centre in the Middle Ages. It is named after the House of Panigarola, a family of notaries from Gallarate, that owned the building until 1741. The building thus served as a notary seat, and the activities therein were strictly related to those that occurred in the adjacent Palazzo della Ragione, where trials were held.