Artynia or Aphnitis was a the name of a swamp or lake of Asia Minor

Asia Minor

Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...

 mentioned by ancient geographers.

Its exact identity is uncertain. The identification of Artynia with Aphnitis is due to Stephanus of Byzantium

Stephanus of Byzantium

Stephen of Byzantium, also known as Stephanus Byzantinus , was the author of an important geographical dictionary entitled Ethnica...

. Pliny

Pliny the Elder

Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

 places Artynia near Miletupolis, having the Rhyndacus river flow through it, so that Pliny's Artynia can be said to correspond to Aboulliond. Strabo

Strabo

Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

 mentions three lakes of Cyzicene, naming them after nearby cities: Lake Dascylitis near Dascylitum, Miletopolitis near Miletupolis, and Apolloniatis near Apollonia

Apollonia ad Rhyndacum

Apollonia or Apollonia-on-the-Rhyndacus was an ancient town near the Rhyndacus river in northwestern Anatolia. Strabo placed it in Mysia, causing some to misidentify the site as Uluabat on the western shore of Lake Uluabat. However, the site is actually the promontory tombolo on the northeastern...

. Lake Dascylitis is also given the name of Aphnitis.