ancient Pontus
Pontus or Pontos (; ,) is a region on the southern coast of the Black Sea, located in the modern-day eastern Black Sea region of Turkey. The name was applied to the coastal region and its mountainous hinterland (rising to the Pontic Alps in the ...
, on the
Black Sea
The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...
and on the coast road east of
Amisus
Samsun is a List of largest cities and towns in Turkey, city on the north coast of Turkey and a major Black Sea port. The urban area recorded a population of 738,692 in 2022. The city is the capital of Samsun Province which has a population of ...
. It was on a headland and bay both of the same name. It is mentioned by
Gaius Valerius Flaccus
Gaius Valerius Flaccus (; died ) was a 1st-century Roman poet who flourished during the "Silver Age" under the Flavian dynasty, and wrote a Latin ''Argonautica'' that owes a great deal to Apollonius of Rhodes' more famous epic.Iris, as if it were east of the mouth of that river.
Apollonius Rhodius
Apollonius of Rhodes ( ''Apollṓnios Rhódios''; ; fl. first half of 3rd century BC) was an ancient Greek author, best known for the ''Argonautica'', an epic poem about Jason and the Argonauts and their quest for the Golden Fleece. The poem is ...
simply speaks of it as a headland.
Its site is located at mouth of the Yeşilırmak (the ancient Iris) in Asiatic Turkey.