Statistics for occurrence #1 of “Campania” in book 2, chapter 7, section 1 of Vitruvius Pollio, The Ten Books on Architecture:

... others, it is medium, as at Tivoli, at Amiternum, or Mt. Soracte, and in quarries of this sort; in still others it is hard, as in lava quarries. There are also numerous other kinds: for instance, in Campania , red and black tufas; in Umbria, Picenum, and Venetia, white tufa which can be cut with a toothed saw, like wood.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Campania (Italy) 152 10 0 0 0 user votes
Campania (Georgia, 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.