Acropolis

The word acropolis (Ancient Greek: ἀκρόπολις, akropolis; from akros (άκρος) or akron (άκρον), "highest, topmost, outermost", and polis (πόλις), "city"; plural in English: acropoles, acropoleis or acropolises)^[1] means the edge of a town, or more often a high city. Being easily defended against attackers, an acropolis often has a citadel. The most famous is the Acropolis of Athens.

The Acropolis of Athens

"Acropolis" is also used for a central complex of overlapping structures, such as plazas and pyramids, in many Mayan cities, including Tikal and Copán.