Explore details about location Via Guglielmo Petroni. Via Guglielmo Petroni is a location situated within the Municipio Roma III alongside other areas such as Via di Valle Ricca, Via Gaspara Stampa, Via di Santa Maria della Speranza. Additionally, some smaller parts of Via Guglielmo Petroni include specific areas like Via Rina De Liguoro, Via Falerone, Via Mildura adding to the diversity of its landscape.