Adrasteia or
Adrastea (,
Homeric Ἀδρήστεια) was the name of a region, city, and valley of
Mysia, which was watered by the
Granicus River. In the eponymous city was an oracle of
Apollo and
Artemis. The temple had been destroyed by the time of
Strabo, and the stones used to build a large altar.
Parium was a port of the region.