Gambrium or Gambrion (), also Gambreium or Gambreion (ÃÂìüòÃÂõùÿý), was a town of ancient Aeolis and of Mysia, quite close to Pergamum. Its location is near Kñnñk and Bergama in ðzmir province, in the Aegean Region of Turkey.
It is on a hill named Hisarlñk in the Bakñrçay (ancient Kaikos) valley and very close to modern town of Poyracñk.
Gambrium is first mentioned in the Hellenica of Xenophon which gives knowledge about the region in 399 BCE. At that time the ruler of the city, as well as of Palaegambrium, was Gorgion, son of Gongylos.
There was a star with twelve rays on the electrum coins of Gambrium.