The acropolis is the walls of Athens. To answer your question, it is surrounds Athens.
attica
Gulf Coastal Plain - ;)
Athens - the Plain of Marathon was part of Athens' territory.
Marathon
Mount Everest is surrounded by the Himalayan Mountains.
In 490 BCE in the Plain of Marathon and the same day before the walls of Athens.
Marathon... No Joke
Mountain, plain, by the sea.
On the Plain of Marathon, 26 miles north of Athens.
Marathon
On the Plain of Marathon, 26 miles nort of Athens,