Statistics for occurrence #1 of “Persia” in book 5, chapter 44 of Polybius, Histories:

...the "Caspian Gates," and touches the mountains of the Tapyri, which are not far from the Hyrcanian Sea. On the south it slopes down to Mesopotamia and the territory of Apollonia. It is protected from Persia by the barrier of Mount Zagrus, which has an ascent of a hundred stades, and containing in its range many separate peaks and defiles is subdivided by deep valleys, and at certain points by cañ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Persia (Iran) 526 18 0 0 0 user votes
Persia (Iowa, United States) 0 0 0 0 0 user votes
Persia (Missouri, United States) 0 0 0 0 0 user votes
Persia (New York, United States) 0 0 0 0 0 user votes
Persia (Tennessee, 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.