"The Simav (Turkish: Simav \u00C7ay\u0131) or Susurluk River (Susurluk \u00C7ay\u0131) is a river in Anatolian Turkey. Its course is 321 km long and its basin comprises 22 400 km2. It was the classical Macestus (/m\u0259\u02C8s\u025Bst\u0259s/; Greek: \u039C\u03AD\u03BA\u03B5\u03C3\u03C4\u03BF\u03C2, M\u00E9kestos). In the 19th century, it was known as the Mikalick.The Simav has its source in K\u00FCtahya Province, from which it flows north across the plain of Simav into Bal\u0131kesir Province."@en .