what city state was located on attica

The city located on Attica is Athens, which is the capital city of Greece. Attica is a historical region and peninsula that encompasses the entire metropolitan area of Athens. Athens was the chief city of ancient Attica and remains the core city today. The region also includes other cities such as Piraeus, the main port of Athens, and historically significant towns like Eleusis, Marathon, and Megara. Thus, the city most prominently located on Attica is Athens in the country of Greece.