Statistics for occurrence #1 of “Pontus” in book 8, chapter 3, section 11 of Vitruvius Pollio, The Ten Books on Architecture:

11. There are also springs which issue exceedingly bitter, owing to a bitter juice in the soil, such as the river Hypanis in Pontus . For about forty miles from its source its taste is very sweet; then it reaches a point about one hundred and sixty miles from its mouth, where it is joined by a very small brook. This runs into it, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pontus 392 16 0 0 0 user votes
Pontus (Turkey) 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.