The Pula Arena (Croatian: Pulska Arena; Italian: Arena di Pola) is a Roman located in Pula, Croatia. It is the only remaining Roman amphitheatre to have four side towers entirely preserved. It was constructed between 27 BC and AD 68,[1] and is among the world’s six largest surviving Roman arenas.[1] The arena is also the country’s best-preserved ancient monument. https://en.wikipedia.org/wiki/Pula_Arena