Statistics for occurrence #1 of “Ravenna” in book 2 of Vitruvius Pollio, The Ten Books on Architecture:

... of the kind under discussion, of which there are very great numbers in that vicinity. And so, as that stronghold was called Larignum, the wood was called larch. It is transported by way of the Po to Ravenna , and is to be had in Fano, Pesaro, Ancona, and the other towns in that neighbourhood. If there were only a ready method of carrying this material to Rome, it would be of the greatest use in buildings...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Ravenna (Italy) 38 6 0 0 0 user votes
Ravenna (Italy) 3 0 1 0 0 user votes
Ravenna (California, United States) 0 0 0 0 0 user votes
Ravenna (Italy) 0 0 0 0 0 user votes
Ravenna (Kentucky, United States) 0 0 0 0 0 user votes
Ravenna (Michigan, United States) 0 0 0 0 0 user votes
Ravenna (Montana, United States) 0 0 0 0 0 user votes
Ravenna (Nebraska, United States) 0 0 0 0 0 user votes
Ravenna (Texas, United States) 0 0 0 0 0 user votes
Ravenna (Washington, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.