In the past it has also been called Piazza Grande, Piazza Comune, Piazza Italiana, Piazza Vittorio Emanuele III, and Piazza Cesare Battisti.
Piazza del Duomo in Trento has been described as one of the most beautiful urban piazzas in the world, and it is without a doubt one of the most distinct and brightly coloured. Its visual impact is truly surprising and blends in with the colours of the buildings around it, and the impulsive architectural line enhanced by three series of four 16th-century porticos.
It is the heart of the historic centre and was the classroom for civic and religious life in the alpine town. It does not lie in the centre of the town as delineated by the town walls due to historical events that placed the cathedral and Christian cemeterial building outside the Roman Porta Veronese.