COMANA (mod. Gumenek)  , an ancient city of Pontus, said to have been colonized from Comana in Cappadocia . It stood on the river Iris (Tozanli Su or Yeshil Irmak), and from its central position was a favourite emporium of Armenian and other merchants . The moon-goddess was worshipped in the city with a pomp and ceremony in all respects analogous to those employed in the Cappadocian city . The slaves attached to the temple alone numbered not less than 6000 . St John Chrysostom died there on the way to Constantinople from his exile at Cocysus in the Anti-Taurus . Remains of Comana are still to be seen near a village called Gumenek on the Tozanli Su, 7 M. from Tokat, but they are of the slightest description . There is a mound; and a few inscriptions are built into a bridge, which here spans the river, carrying the road from Niksar to Tokat . (D . G .