“This page has not yet been created,” according to my WikiLink.

Rocca (singular) = fortress; rocce (plural) = fortresses

iana = adjectival ending, I hereby suppose
Since Cardinal Abornoz built many of these fortresses
In 14th century Umbria, as he led Pope Innocent VI’s forces.

Easy to survey the town from here or visit the museum.
More inviting, no doubt, than when it served as a prison.