The
Colosseum or
Coliseum ( ), also known as the
Flavian Amphitheatre (Latin:
Amphitheatrum Flavium; Italian:
Anfiteatro Flavio or
Colosseo ), is an oval
amphitheatre in the centre of the city of
Rome,
Italy. Built of concrete and sand, it is the largest
amphitheatre ever built and is considered one of the greatest works of architecture and engineering ever.