Translation guide
The Colosseum is a famous ancient amphitheater in Rome. In Japanese, it is typically referred to by its direct loanword name.
Referring to the specific ancient Roman amphitheater
The standard Japanese name for the Colosseum, borrowed from Italian 'Colosseo'. This is the most common and natural way to refer to it.
When I go to Rome, I want to see the Colosseum.
An alternative loanword from English 'Colosseum'. Less common than コロッセオ but still understood.
The formal historical name 'Flavian Amphitheatre'. Used in academic or historical contexts.
The Colosseum is a symbol of ancient Rome.
The Flavian Amphitheatre was completed in 80 AD.