Boundaries

To the north, Portuense borders with Rione Trastevere (R. XIII), whose border is shortly marked by Piazza di Porta Portese. It also borders with Rione Testaccio (R.XX), from which is separated by the stretch of the Tiber between Ponte Testaccio and Ponte dell'Industria.

Eastward, the quartiere borders with Ostiense (Q.X) and with Europa (Q.XXXII), from which is separated by the stretch of the Tiber between Ponte dell'Industria and the Magliana Viaduct.

To the south-west, it borders with Suburbio Portuense (S. VII), whose border is marked by the Magliana Viaduct, by a short stretch of the Autostrada Roma-Fiumicino, by Via Salvatore Satta, Largo Giuseppe Petrelli, Via dell'Imbrecciato, Via Bolgheri, Via Riccardo Lombardi, and by another stretch of Via dell'Imbrecciato up to Via Portuense.

Westward, Portuense borders with Quartiere Gianicolense (Q.XII), whose boundary is defined by Via Portuense, Via Ettore Rolli and by another stretch of Via Portuense.

Local geography

Main roads and squares of the quartiere are:

• Via della Magliana, connecting Portuense to the neighborhood of Magliana, which is comprised in Suburbio Portuense;
• Viale Guglielmo Marconi, a huge thoroughfare which connects the district to Quartiere Ostiense and to Via Cristoforo Colombo;
• Piazza della Radio, at the end of Viale Guglielmo Marconi;
• Piazza Antonio Meucci, a rectangular square with a garden and a playground in the middle;
• Piazza Fabrizio De André.

Streets and squares are mostly named after inventors, scientists and politicians, particularly Mayors of Rome. Local toponyms can be categorized as follows:

• Mayors of Rome, e.g. Augusto Armellini, Prospero Colonna, Francesco Crispigni, Andrea Doria Pamphilj, Ernesto Nathan, Leopoldo Ruspoli, Giannetto Valli, Pietro Venturi;
• Patriots, e.g. Pasquale Baffi, Antonio Fratti, Pietro Frattini, Giuseppe Guerzoni, Nicola Laurantoni, Augusto Lorenzini, Pietro Maroncelli, Ernesto Teodoro Moneta, Giuseppe Sirtori, Vincenzo Statella;
• Politicians, e.g. Lenin, Riccardo Lombardi, Errico Malatesta, Agostino Novella;
• Scientists, engineers and inventors, e.g. Amedeo Avogadro, Eugenio Barsanti, Angelo Bellani, Gerolamo Cardano, Nicola Cavalieri, Bartolomeo Cristofori, Alessandro Cruto, Albert Einstein, Enrico Fermi, Stefano Longanesi, Guglielmo Mengarini, Antonio Pacinotti, Pietro Paleocapa, Giuseppe Peano, Piero Puricelli, Augusto Righi, Ascanio Sobrero;
• Towns in Tuscany, e.g. Bagni di Lucca, Certaldo, Collodi, Lari, Pescaglia, Prato, Scarperia, Sesto Fiorentino, Vaiano, Vicopisano.

Churches

• Santa Passera
• Santi Aquila e Priscilla
• Santa Silvia

Parks

• Villa Bonelli