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What is an arengario? Its meaning and some famous examples
Monuments, Museums, and Historic Buildings 1 April 2025

What is an arengario? Its meaning and some famous examples


Let's take a look at what an arengario is, its historical significance and some famous examples in Italy, such as the Arengario in Milan.
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Silvia Bertuzzi

External contributor of Immobiliare.it

Monza and Milan are closely linked, thanks in part to the presence of a very important architectural structure of great historical and cultural significance: the arengario.

What are its origins and how has it evolved over the centuries? Which are the most famous arengari in Italy? Let’s delve into the history of the arengario and find out how this building has helped shape the urban and cultural fabric of Italian cities.

What is an arengario?

The term ‘arengario’ originates from the mediaeval Latin term ‘arengarius’ which is related to the concept of ‘arengo’ (assembly). In various cities in northern Italy, the arengario refers to the town hall, also known as the ‘broletto’, which was the seat of the free Municipality.

These buildings had a distinctive style of architecture: the ground floor usually consisted of an open portico, which allowed public access and encouraged the citizens to gather. On the upper floor, there was a large hall used for assemblies and city council meetings.

In some cases, the hall led to an external balcony, called a ‘parlera’, from which public speeches and addresses were given.

The public hall was not only a symbol of political and administrative power; it was also a nerve centre of social and community life, where crucial decisions for the city were made and the sense of belonging of the citizens was strengthened.

This type of architectural structure has left a significant mark on the urban history of cities in Northern Italy, highlighting the importance of collective participation in the ancient municipal republics.

What are the origins of the Arengario in Monza?

The Arengario, one of the most emblematic historical buildings, stands in the heart of Monza, in Piazza Roma to be precise. All the main roads that cross the city branch off from here.

Its construction dates back to the 13th century, when it was built to house the old town hall, which played a crucial role in the running of city life. Adjacent to the Arengario, a suspended passageway once connected it to the Praetorian palace, also known as the palace of the podestà (magistrate), of which no trace remains today.

A distinctive element of the Arengario is the bell tower, which was added later on the north side of the building. This tower has swallow-tailed Ghibelline battlements, typical of mediaeval architecture and a symbol of belonging to the Ghibelline faction during the struggles between the Guelphs and the Ghibellines.

On the first floor of the Arengario there is a large room that is used as an exhibition space. This area regularly hosts exhibitions, cultural events, festivals and various other events, all organised by the Monza Municipal Administration.

The Arengario is therefore not only a historical monument, but also a lively cultural centre that continues to play an important role in the community life of Monza.

The history of Palazzo dell’Arengario in Milan

Palazzo dell’Arengario, located in the very central Piazza del Duomo in Milan, is an example of 20th-century architecture. It consists of two twin buildings and was built between 1936 and 1956. After a period of neglect caused by the war, the building was restored in the 1950s and used to house municipal and provincial offices.

The Arengario is made up of two identical structures that frame the arch of the Galleria Vittorio Emanuele II, located on the opposite side of the square. This architectural arrangement was designed to create an aesthetic balance in the square, marking a harmonious transition from ancient to modern architecture.

The building’s façades, originally clad in Candoglia marble, are embellished by a double series of round arches on the first and second floors, while at the base there are rectangular portals decorated with elegant plant motifs, the work of the sculptor Arturo Martini.

In 2009, a new and ambitious redevelopment project transformed the Arengario into the Museo del Novecento, thanks to the work of architects Italo Rota and Fabio Fornasari. This restoration has given the building a new lease of life, transforming it into a cultural centre of great importance. The Museo del Novecento (20th Century Museum) houses a vast collection of 20th century artworks, taking visitors on a journey through the century’s main artistic movements.

Article translated by Jasmina Towers

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