Brief synthesisThe porticoes of Bologna are a selection of 12 porticoes that reflect the different architectural typologies found in the overall 62km of Bologna’s porticoed pathways, the largest porticoe system in the world. It finds in Bologna an exceptional and complete representation from the chronological, typological and functional point of view. In Bologna the porticoes are the exceptional result of an urban planning regulatory framework. The chronological integrity of the property lies in the continuity of construction and maintenance of the porticoes in the city of Bologna from the 12th to the 21st century. The porticoes are architectural elements that relate both to the surrounding public space and to the building they are part of.