Probably dating from the 1st century AD, the Arch of Riccardo, in the heart of old Trieste, is a Roman gate in the ancient walls of Tergeste that were built by Augustus in 33 BC.

Various origins have been attributed to the name Riccardo. Some recall legendary events like the passage of Charlemagne or Richard the Lionheart into this city, while other, perhaps more reliable, sources suggest a derivation of the term "Cardo", the Latin name of one of the two main axes around which Roman towns were built, the other being the Decumanus. 

 

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