The Colosseum or Coliseum, also known as the Flavian Amphitheatre (/kɒləˈsiːəm/ kol-ə-see-əm; Latin: Amphitheatrum Flavium; Italian: Anfiteatro Flavio [anfiteˈatro ˈflavjo] [äɱːfit̪eˈäːt̪ro ˈfläːvjo] or Colosseo [kolosˈsɛo] [koloˈs̪ːɛːo]), is an elliptical amphitheatre in the centre of the city of Rome, Italy. Built of concrete and stone,[1] it is the largest amphitheatre ever built and is considered one of the greatest works of architecture and engineering.[2]