Statistics for occurrence #1 of “Pontus” in book 5, chapter 44 of Polybius, Histories:
...ibe called Satrapeii, who are not far from the tribes
which extend as far as the Euxine. Its northern frontier is
fringed by Elymaeans, Aniaracae, Cadusii, and Matiani, and
overlooks that part of the Pontus which adjoins the Maeotis.
Media itself is subdivided by several mountain chains running
from east to west, between which are plains thickly studded
with cities and villages.
...