Ostia Antica is a large archaeological site of an ancient Roman port city located 25 km southwest of Rome at the mouth of the Tiber River. Visitors explore remarkably well-preserved ruins featuring impressive buildings, magnificent frescoes, and mosaics that reveal details of Roman urbanism comparable to Pompeii and Herculaneum. The site encompasses 150 hectares of remains from a city that flourished as Rome's primary grain port, with visible structures including a Roman theatre, forum, temples, baths, and defensive walls spanning from the 3rd century BC through the Imperial period.
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