The Arch of Domitian ( la, Arcus Domitiani) was an

ancient Roman In modern historiography, ancient Rome refers to Roman civilisation from the founding of the city of Rome in the 8th century BC to the collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 BC ...

arch located between the

Roman Forum The Roman Forum, also known by its Latin name Forum Romanum ( it, Foro Romano), is a rectangular forum (plaza) surrounded by the ruins of several important ancient government buildings at the center of the city of Rome. Citizens of the ancient ...

and the

Palatine Hill The Palatine Hill (; la, Collis Palatium or Mons Palatinus; it, Palatino ), which relative to the seven hills of Rome is the centremost, is one of the most ancient parts of the city and has been called "the first nucleus of the Roman Empire." ...

. This arch was one of only two known arches erected by the emperor Domitian that was not pulled down following his '' Damnatio memoriae'' (the other being his rebuilding of the pre-existing '' Porta Carmentalis''). The arch was located on the '' Clivus Palatinus'', and it stood before the entrance to the forecourt of the

Flavian Palace The Flavian Palace, normally known as the Domus Flavia, is part of the vast Palace of Domitian on the Palatine Hill in Rome. It was completed in 92 AD by Emperor Titus Flavius Domitianus,''The Cambridge Ancient History''. Vol. XI. Cambridge: Cam ...

, where it formed the boundary marker between the city’s public space and the emperor's private property. Along with the ''Clivus Palatinus'', the arch was substantially modified during the reign of the emperor Trajan. Only the arch’s footings have survived.Richardson, L. ''A New Topographical Dictionary of Ancient Rome'' p. 25

References

Ancient Roman triumphal arches in Rome