This monumental amphitheatre is the clearest mark of the Roman presence in Alexandria. The most complete Roman ruin in Egypt.
Wikipedia http://en.wikipedia.org/wiki/History_of_Alexandria#Roman_annexation
Address Ismail Mahana, Kom El Daka Gharb, El Attareen, Alexandria, Egypt
Coordinates 31°11'40.733" N 29°54'14.463" E