The Acropolis is an ancient citadel located in ATHENS, Greece. It is a UNESCO World Heritage Site and is one of the most recognizable landmarks in the world. The Acropolis is home to many ancient ruins, including the Parthenon, the Propylaea, and the Erechtheion. It is believed to have been built in the 5th century BC and has been a symbol of Greek culture for centuries. The Acropolis is a popular tourist destination and is a must-see for anyone visiting ATHENS.