28 Sites of papal elections

The Apostolic Palace is the official residence of the pope, the head of the Catholic Church, located in Vatican City. It is also known as the Papal Palace, the Palace of the Vatican and the Vatican Palace. The Vatican itself refers to the building as the Palace of Sixtus V, in honor of Pope Sixtus V, who built most of the present form of the palace.

Arezzo Cathedral is a Roman Catholic cathedral in the city of Arezzo in Tuscany, Italy. It is located on the site of a pre-existing Palaeo-Christian church and, perhaps, of the ancient city's acropolis.

The Cappella Paolina is a chapel in the Apostolic Palace, Vatican City. It is separated from the Sistine Chapel by the Sala Regia. It is not on any of the regular tourist itineraries.

Carpentras Cathedral is a Roman Catholic church and former cathedral in Carpentras, Provence, France.

Castel Nuovo, often called Maschio Angioino, is a medieval castle located in front of Piazza Municipio and the city hall in central Naples, Campania, Italy. Its scenic location and imposing size makes the castle, first erected in 1279, one of the main architectural landmarks of the city. It was a royal seat for kings of Naples, Aragon and Spain until 1815.

The Mausoleum of Hadrian, usually known as Castel Sant'Angelo, is a towering cylindrical building in Parco Adriano, Rome, Italy. It was initially commissioned by the Roman Emperor Hadrian as a mausoleum for himself and his family. The building was later used by the popes as a fortress and castle, and is now a museum. The structure was once the tallest building in Rome.

Cluny Abbey is a former Benedictine monastery in Cluny, Saône-et-Loire, France. It was dedicated to St Peter.

The Domus Internationalis Paulus VI, was established as a Foundation by Pope John Paul II on 6 January 1999. The purpose of the Domus is to accommodate clergy who are assigned to the diplomatic service of the Holy See, or who are officials of the Roman Curia. The Domus is at the Southern wing of the Palazzi di S. Apollinare. It is an historic Palazzo located in the ancient centre of Rome, and one of the four residences of the Officials of the Roman Curia in Rome; the other three are Domus Sanctae Marthae within the Vatican Walls, the Casa San Benedetto at via dell'Erba, and the Domus Romana Sacerdotalis at via Traspontina. The last two are located near the St. Peter's Square. Cardinals, bishops and priests who visit the Pope in Rome or who participate in the various apostolic works of the Holy See also stay at the Domus. The Domus is near the Vatican, notable Roman monuments, and famous sights.

The Domus Sanctae Marthae is a building adjacent to St. Peter's Basilica in Vatican City. Completed in 1996, during the pontificate of Pope John Paul II, it is named after Martha of Bethany, who was a sibling to Mary and Lazarus of Bethany. The building functions as a guest house for clergy having business with the Holy See, and as the temporary residence of members of the College of Cardinals while participating in a papal conclave to elect a new pope.

Ferrara Cathedral is a Roman Catholic cathedral and minor basilica in Ferrara, Northern Italy. Dedicated to Saint George, the patron saint of the city, it is the seat of the Archbishop of Ferrara and the largest religious building in the city.

Konstanz Minster or Konstanz Cathedral is a historical building in Konstanz, southern Germany, the proto-cathedral of the former Roman Catholic diocese of Konstanz.

Santa Maria sopra Minerva is one of the major churches of the Roman Catholic Order of Preachers in Rome, Italy. The church's name derives from the fact that the first Christian church structure on the site was built directly over the ruins or foundations of a temple dedicated to the Egyptian goddess Isis, which had been erroneously ascribed to the Greco-Roman goddess Minerva.

Old St. Peter's Basilica was the building that stood, from the 4th to 16th centuries, where the new St. Peter's Basilica stands today in Vatican City. Construction of the basilica, built over the historical site of the Circus of Nero, began during the reign of Emperor Constantine I. The name "old St. Peter's Basilica" has been used since the construction of the current basilica to distinguish the two buildings.

Palazzo dei Papi is a palace in Viterbo, northern Latium, Italy. It is one of the most important monuments in the city, situated alongside the Duomo di Viterbo. The Papal Curia was moved to Viterbo in 1257 by Alexander IV, due to the hostility of the Roman commune and constant urban violence: the former bishop's palace of Viterbo was enlarged to provide the Popes with an adequate residence. The construction, commissioned by the Capitano del popolo Raniero Gatti, provided a great audience hall communicating with a loggia raised on a barrel vault above the city street. It was completed probably around 1266.

Perugia Cathedral is a Roman Catholic cathedral in Perugia, Umbria, central Italy, dedicated to Saint Lawrence. Formerly the seat of the bishops and archbishops of Perugia, it has been since 1986 the archiepiscopal seat of the Archdiocese of Perugia-Città della Pieve.

The Piazza dei Miracoli, formally known as Piazza del Duomo, is a walled 8.87-hectare area located in Pisa, Tuscany, Italy, recognized as an important centre of European medieval art and one of the finest architectural complexes in the world. Considered sacred by the Catholic Church, its owner, the square is dominated by four great religious edifices: the Pisa Cathedral, the Pisa Baptistry, the Campanile, and the Camposanto Monumentale. Partly paved and partly grassed, the Piazza dei Miracoli is also the site of the Ospedale Nuovo di Santo Spirito, which houses the Sinopias Museum and the Cathedral Museum.

The Quirinal Palace is a historic building in Rome, Italy, one of the three current official residences of the President of the Italian Republic, together with Villa Rosebery in Naples and the Tenuta di Castelporziano, an estate on the outskirts of Rome, some 25 km from the centre of the city. It is located on the Quirinal Hill, the highest of the seven hills of Rome in an area colloquially called Monte Cavallo. It has served as the residence for thirty Popes, four Kings of Italy and twelve Presidents of the Italian Republic.

Salerno Cathedral is the main church in the city of Salerno in southern Italy and a major tourist attraction. It is dedicated to Saint Matthew, whose relics are inside the crypt.

The Basilica of Saint Clement is a Latin Catholic minor basilica dedicated to Pope Clement I located in Rome, Italy. Archaeologically speaking, the structure is a three-tiered complex of buildings: (1) the present basilica built just before the year 1100 during the height of the Middle Ages; (2) beneath the present basilica is a 4th-century basilica that had been converted out of the home of a Roman nobleman, part of which had in the 1st century briefly served as an early church, and the basement of which had in the 2nd century briefly served as a mithraeum; (3) the home of the Roman nobleman had been built on the foundations of republican era villa and warehouse that had been destroyed in the Great Fire of 64 AD.

The San Giorgio Monastery was a Benedictine monastery in Venice, Italy, located on the island of San Giorgio Maggiore. It stands next to the Church of San Giorgio Maggiore, which serves the monastic community. The old monastic buildings currently serves as the headquarters of the Cini Foundation.

San Gregorio Magno al Celio, also known as San Gregorio al Celio or simply San Gregorio, is a church in Rome, Italy, which is part of a monastery of monks of the Camaldolese branch of the Benedictine Order. On March 10, 2012, the 1,000th anniversary of the founding of the Camaldolese in 1012 was celebrated here at a Vespers service attended by Anglican and Catholic prelates and jointly led by Pope Benedict XVI and Rowan Williams, Archbishop of Canterbury.

San Pietro in Vincoli is a Roman Catholic titular church and minor basilica in Rome, Italy, best known for being the home of Michelangelo's statue of Moses, part of the tomb of Pope Julius II.

The Basilica of Saint Mary Major, or church of Santa Maria Maggiore, is a Papal major basilica and the largest Catholic Marian church in Rome, Italy.

The Septizodium was a building in ancient Rome. It was built in 203 AD by Emperor Septimius Severus. The origin of the name "Septizodium" is from Septisolium, from the Latin for temple of seven suns, and was probably named for the seven planetary deities or for the fact that it was originally divided into seven parts. The building had no known practical purpose and was probably meant to be a decorative façade, known as a Nymphaeum. Ancient and medieval sources describe its purpose as being intended to impress Severus' fellow north Africans as they entered the city, as it was located at the place where the Via Appia passes the Palatine and leads east towards the Forum Romanum. Other examples of septizodia are known, all from Africa.

The Sistine Chapel is a chapel in the Apostolic Palace, the official residence of the pope, in Vatican City. Originally known as the Cappella Magna, the chapel takes its name from Pope Sixtus IV, who restored it between 1473 and 1481. Since that time, the chapel has served as a place of both religious and functionary papal activity. Today, it is the site of the papal conclave, the process by which a new pope is selected. The fame of the Sistine Chapel lies mainly in the frescos that decorate the interior, most particularly the Sistine Chapel ceiling and The Last Judgment by Michelangelo.

Terracina is an Italian city and comune of the province of Latina, located on the coast 56 km (35 mi) southeast of Rome on the Via Appia. The site has been continuously occupied since antiquity.

Verona Cathedral is a Roman Catholic cathedral in Verona, northern Italy, dedicated to the Blessed Virgin Mary under the designation Santa Maria Matricolare. It is the episcopal seat of the Diocese of Verona.

Viterbo Cathedral is a Roman Catholic cathedral, and the principal church of the city of Viterbo, Lazio, central Italy. It is the seat of the Bishop of Viterbo and is dedicated to Saint Lawrence.