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the citadel of ancient Greek city built on high grounds
The Greeks guarded their people by buiding great acropolis
by Dr. Intaj Malek July 03, 2006
1. The raised fortified area of an ancient Greek city.

2. The Acropolis in Athens, the best known example of (1).

3. Where the Parthenon is.
Stephen Fry: They say of the Acropolis, where the Parthenon is, that there are NO STRAIGHT LINES.
by Ecknort April 02, 2009