Municipio I in the context of "Rioni of Rome"

Borgo (sometimes called also I Borghi) is the 14th rione (administrative district) of Rome, Italy. It is identified by the initials R. XIV and is included within Municipio I.

Its coat of arms shows a lion (after the name "Leonine City", which was also given to the district), lying in front of three mounts and a star. These – together with a lion rampant – are also part of the coat of arms of Pope Sixtus V, who annexed Borgo as the 14th rione of Rome.

Monte Mario (English: Mount Mario or Mount Marius) is the hill that rises in the north-west area of Rome (Italy), on the right bank of the Tiber, crossed by the Via Trionfale. It occupies part of Balduina, of the territory of Municipio Roma I (Roma Centro), of Municipio Roma XIV (Roma Monte Mario) and a small portion of Municipio Roma XV of Rome, thus including part of the Quarters Trionfale, Della Vittoria and Primavalle.

The same toponym also identifies the urban area which extends over the hill, close to Via Trionfale and the first stretch of Via di Torrevecchia, with the railway station of the same name.

Campo Marzio (Italian: [ˈkampo ˈmartsjo]) is the 4th rione of Rome, Italy, identified by the initials R. IV. It belongs to the Municipio I and covers a smaller section of the area of the ancient Campus Martius. The logo of this rione is a silver crescent on a blue background.

Monti is the 1st rione of Rome, Italy, identified by the initials R. I, located in Municipio I. The name literally means 'mountains' in Italian and comes from the fact that the Esquiline, the Viminal Hills, and parts of the Quirinal and the Caelian Hills belonged to this rione: currently, however, the Esquiline Hill belongs to the rione Esquilino.

The coat of arms consists of three green mountains with three tops on a silver background.

Trastevere (Italian: [trasˈteːvere]) is the 13th rione of Rome, Italy. It is identified by the initials R. XIII and it is located within Municipio I. Its name comes from Latin trans Tiberim (lit. 'beyond the Tiber').

Its coat of arms depicts a golden head of a lion on a red background, the meaning of which is uncertain.

Pigna (Italian: [ˈpiɲɲa]) is the 9th rione of Rome, Italy, identified by the initials R. IX, and belongs to the Municipio I. The name means "pine cone" in Italian, and the symbol of the rione is the colossal bronze pine cone standing in the middle of the homonymous fountain. The fountain, which was initially located in the Baths of Agrippa, now decorates a vast niche in the wall of the Vatican facing the Cortile della Pigna, located in Vatican City.

Centro Storico is the first urban zone of Rome, identified by the initials 1A. It belongs to the Municipio I and it includes the main part of the city center.

Della Vittoria is the 15th quartiere of Rome, Italy, identified by the initials Q. XV. The toponym also indicates the urban zone 17B of Municipio I.