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San Marco
6 images
Established by Pope Marcus in 336 at the point where the Via Lata reached the Forum area, this is the oldest surviving papal foundation. It is now built into the Palazzo Venezia.
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Santa Maria in Trastevere
33 images
Founded by Pope Julius I about 345 on a plot of land originally given to the Church by Pope Callistus about 220, and therefore one of the oldest church locations in Rome. Also, with Santa Maria Maggiore, one of the earliest dedications to Mary in the city.
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SS Nereo ed Achilleo (Catacomb of Domitilla)
1 image
Built late in the 4th century over the catacombs of Domitilla on the Via Appia
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San Valentino
1 image
Founded in the middle of the 4th century under Pope Julius I, only scanty remains are now visible.
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Santa Anastasia
4 images
The first of the 5 community churches founded by Pope Damasus (s 366-384), it is situated between the Palatine Hill and the Circus Maximus, and on the ancient Vicus Tuscus, which linked the Forum to the port area on the Tiber.
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San Lorenzo in Damaso
2 images
Founded by Pope Damasus (s 366-384) in a prominent location on the Campus Martius, and now incorporated into the Palazzo della Cancellaria.
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SS Nereo ed Achilleo (Terme di Caracalla)
8 images
Another foundation by Pope Damasus, this church stands near the Baths of Caracalla. The relics of Domitilla and her two martyred servants were moved here from the church of the same name at the catacomb of Domitilla in 524.
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Santa Pudenziana
12 images
Another foundation by Pope Damasus, this church was built on land belonging to the Senator Pudens, who is said to have given hospitality to Peter or Paul. It was situated in the densely populated Subura area of the city.
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San Sisto Vecchio
1 image
Built under Pope Anastasius (s 399-402), this is one of the last churches to be built in the 4th century.
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Santa Prisca
1 image
In a quiet residential area on the Aventine Hill, this church is said to stand on the site of the house belonging to St Paul's friends Aquila and Priscilla.
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Santa Maria in Via Lata
2 images
A large Roman warehouse standing at the foot of the Via Lata was converted to a church either at the end of the 4th century or the beginning of the 5th.
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San Vitale
3 images
San Vitale was founded under Pope Innocent I (s 402-417) at the heart of the densely-populated Subura area, using funds from the legacy of a wealthy Roman widow, Vestina.
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SS Giovanni e Paolo
5 images
Completed just before the fall of Rome in 410, this church stands on the Celian Hill above a series of earlier dwellings, the last of which contains the only archaeological evidence so far discovered of Christian worhip on the site, before the construction of the first church.
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Sant'Alessio e Bonifazio
8 images
Reputedly founded in the 4th century, and originally dedicated to San Bonifazio, this church was rebuilt in the 12th century and rededicated to Sant'Alessio
