Assos - Turkey
The Cliffs
Assos is located in a region of Mysia (northwest Asia Minor) called Troad. It is built on a great volcanic cone 700 feet high, making it a well-fortified site with both natural and artificial terraces. In 331 B.C., the philosopher Cleanthes was born here, and it has been suggested that Paul's statement in Acts 17:28 ("as even some of your own poets have said, 'For we are indeed his offspring'" ESV) is quoting from Cleanthes.
Read more at http://www.bibleplaces.com/assos.htm