On the main square, a religious, economic and administrative center, is Palazzo Farnese, a symbol of temporal power in the Middle Ages and today the seat of the Campli Town Hall. The palace, also known as the Parliament, is the oldest government palace in Abruzzo.
The first stone was laid in 1286. The public building represents the emblem of the city and evokes the medieval management system of power. Campli was governed through a parliament whose members were elected by the citizens who attended the municipal council, under the large vaults of the building, Umbrian-Marches reinterpretation of the Lombard style.
Seven round arches give the building an imposing image, which refers to the power of the city. The facade is enriched by elegant lobed three-mullioned windows.
Over the centuries, the Palazzo Farnese has undergone architectural variations such as that of 1522, as evidenced by the dating visible on the front.