More precisely, it is on the east bank of the Tiber, the river that crosses the city, east of the ancient Roman forum. The Colosseum is in Rome, the capital of Italy. It is the biggest amphitheatre built by the Roman Empire, and the largest in the world.
Emperor Domitian made some changes to the building between 81 and 96 AD. Emperor Vespasian started all the work, and Emperor Titus completed the colosseum. The construction of the Colosseum started around 70–72 AD and was finished in 80 AD. The Colosseum, also known as the Flavian Amphitheatre, is a large artefact or structure in the city of Rome. Regio IV Templum Pacis ('Temple of Peace')