Abdera is a municipality in the Xanthi regional unit of Thrace, Greece. In classical antiquity, it was a major Greek polis on the Thracian coast.

Western Thrace or West Thrace, also known as Greek Thrace or Aegean Thrace, is a geographic and historical region of Greece, between the Nestos and Evros rivers in the northeast of the country; East Thrace, which lies east of the river Evros, forms the European part of Turkey, and the area to the north, in Bulgaria, is known as Northern Thrace.