Klaros (Greek Κλάρος, Latin Clarus) was an important oracle place of the god Apollo on the west coast of Asia Minor (today about 16 km west of Selçuk in Turkey).
It belonged to the town of Kolophon, about 13 km away, although it was much closer to the town of Notion. The oldest references to Klaros come from the 7th century BC. BC, but the oracle is probably much older than the Greek colonization. A sacred cave suggests that the Asian goddess Cybele was worshiped here before Apollo. Up until Roman times, Klaros enjoyed a reputation that was comparable to that of Delphi and Didyma. Klaros was largely destroyed in an earthquake. [...]
Source: Wikipedia