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Rioni of Rome

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Title: Rioni of Rome  
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Subject: Campo Marzio, Castro Pretorio, Celio (rione of Rome), Monti (rione of Rome), Pigna (rione of Rome)
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Rioni of Rome

A map of the center of Rome ("centro storico", roughly equal to the walled city) with its rioni

A rione of Rome (pl. rioni) is a traditional administrative division of the city of Rome. "Rione" is an Italian term used since 14th century to name a district of a town. [1] The term was born in Rome, originating from the administrative divisions of the city. The word comes from the Latin word regio (pl. regiones, meaning region); during the Middle Ages the Latin word became rejones, from which rione comes. Currently, all the rioni are located in Municipio I of Rome.


  • Ancient Rome 1
  • Middle Ages 2
  • Modern ages 3
  • Today 4
  • Coat of Arms of the modern rioni 5
  • See also 6
  • Sources 7
  • References 8
  • External links 9

Ancient Rome

According to tradition, Roman Republic collapsed, the first emperor Augustus created the 14 regiones of Rome that were to remain in effect throughout the Imperial era, as attested by the 4th-century Cataloghi regionari, that name them and provide data for each. All but Transtiberim (the modern Trastevere) were on the left bank of the river Tiber. The regions were:

  1. Porta Capena
  2. Caelimontium
  3. Isis et Serapis
  4. Templum Pacis
  5. Esquiliae
  6. Alta Semita
  7. Via Lata
  8. Forum Romanum
  9. Circus Flaminius
  10. Palatium
  11. Circus Maximus
  12. Piscina Publica
  13. Aventinus
  14. Transtiberim

Middle Ages

After the fall of the Western Roman Empire and the decline of Rome, the population decreased and the division into regiones was lost. During the 12th century a division in 12 parts started being used, though not officially, but simply by the common use of the people. Even if the areas were different from the ancient ones, they still used the same name: regio in Latin and rione in the vulgar language.

The limits of the rioni became more definitive and official in the 13th century: their number increased to 13 and it remained the same until the 16th century. In this period, anyway, the limits were quite uncertain. The rione was not a political entity, but only an administrative one. The chief of a rione was the Caporione.

Modern ages

During the Renaissance there was a deep reorganization and expansion of the city, so it became necessary to delimit the rioni exactly.

In 1586 Borgo, which before had been administered separately from the city. This situation, thanks to the low population increase, did not change until the 19th century.

In 1744 Pope Benedict XIV, because of frequent misunderstanding, decided to replan the administrative division of Rome, giving the responsibility of it to Count Bernardini. The marble plates defining the borders of each rione, many of which still exist, were installed in that year on the facades of houses lying at each rione's border.

In 1798, during the Roman Republic, there was a rationalization of the administrative division of the city creating 12 rioni (with the modern rione in parentheses):

  1. Terme (part of Monti);
  2. Suburra (part of Monti);
  3. Quirinale (Trevi);
  4. Pincio (Colonna);
  5. Marte (Campo Marzio);
  6. Bruto (Ponte);
  7. Pompeo (Regola and Parione);
  8. Flaminio (Sant'Eustachio);
  9. Pantheon (Pigna and Sant'Angelo);
  10. Campidoglio (Campitelli e Ripa);
  11. Gianicolo (Trastevere);
  12. Borgo);

Soon after this, during the domination of Napoleon, Rome was split up in 8 parts, now called Giustizie (meaning "justices" in Italian):

  1. Monti;
  2. Trevi;
  3. Colonna e Campo Marzio;
  4. Borgo;
  5. Parione e Regola;
  6. Sant'Eustachio e Pigna;
  7. Campitelli, Sant'Angelo e Ripa;
  8. Trastevere.

So the smaller rioni were united to the large ones. At this time the French affixed in each street a plate with its name and the areas it belonged to.


After Napoleon lost his power there were no significant changes in the organization of the city until Rome became the capital of the newborn Italy. The needs of the new capital caused a great urbanization and an increase of the population, both within the Aurelian walls and outside them. In 1874 the rioni became 15, with the addition of Esquilino, created by taking a portion from Monti. At the beginning of the 20th century some rioni started being split up and the first parts outside the Aurelian walls started being considered part of the city.

In 1921 the number of the rioni increased to 22. Prati was the last rione to be established and the only one outside the walls of Urbanus VIII.

The latest reform, which is still mostly valid, was made in 1972: Rome was divided in 20 circoscrizioni (later renamed municipi, one of which became later the independent municipality of Fiumicino) and 20 rioni (which together form the Centro Storico) constituted the first one, Municipio I. The two remaining, Borgo and Prati, belonged to the XVIIth municipality until 2013. Since then they belong too to the first Municipio.

The complete list of the modern rioni, in order of number, is the following:

1 - Monti, with the Hills of Quirinal and Viminal
2 - Trevi
3 - Colonna
4 - Campo Marzio
5 - Ponte
6 - Parione
7 - Regola
8 - Sant'Eustachio

9 - Pigna
10 - Campitelli, with the Hills of Capitol and Palatine
11 - Sant'Angelo
12 - Ripa, with the Hill of Aventine
13 - Trastevere, with the so-called "8th Roman Hill" of the Gianicolo
14 - Vatican City
15 - Esquilino, with the equally named Hill

16 - Ludovisi
17 - Sallustiano
18 - Castro Pretorio
19 - Celio, with the equally named Hill
20 - Testaccio
21 - San Saba
22 - Prati

Coat of Arms of the modern rioni

Media related to at Wikimedia Commons

See also


  • Castagnoli, Ferdinando; Cecchelli, Carlo; Giovannoni, Gustavo; Zocca, Mario (1958). Topografia e urbanistica di Roma (in Italian). Bologna: Cappelli. 


  1. ^ "Rione". il Sabatini Coletti. Dizionario della Lingua Italiana. Retrieved 21 June 2013. 

External links

Media related to at Wikimedia Commons

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