The first big building that was built on the Coliseum area, was the
Domus Aurea, ordered by the emperor Nero and built on 64 a.C., right
after the big fire of Rome. This was a royal palace, big and
luxurious, where the emperor managed to have not a swimming pool, but
an entire lake!
In the exact position where Nero's private lake was, emperor Vespasianus, who wanted to give back to Romans this important space, ordered the great Flavius' Amphiteather, also know as Coliseum or Colosseum. This is today one of the symbols of Rome.
In this zone the following things can be seen:
Meta Sudante (fountain)