Bithynia, one of the representations of Roman provinces (Phrygia or Bithinia) from the Hadrianeum, temple to the deified Hadrian erected by Antoninus Pius in 145.
CC BY 2.5
<a href="//commons.wikimedia.org/wiki/User:Jastrow" title="User:Jastrow">Marie-Lan Nguyen</a> (2011)