This article is about the modern administrative region of Greece. For the historical region, see Attica. For the former prefecture, see Attica Prefecture. For other uses, see Attica (disambiguation).
Located on the eastern edge of Central Greece, Attica covers about 3,808 square kilometers. In addition to Athens, it contains within its area the cities of Piraeus, Eleusis, Megara, Laurium, and Marathon, as well as a small part of the Peloponnese peninsula and the islands of Salamis, Aegina, Poros, Hydra, Spetses, Kythira, and Antikythera. About 3,750,000 people live in the region, of whom more than 95% are inhabitants of the Athens metropolitan area.
With the 2010 Kallikratis plan, the region's powers and authority were completely redefined and extended. Since 1 January 2011, the region represents the second-level local administration. While being supervised by the Decentralized Administration of Attica, it is now an independent self-governing body with powers and a budget comparable to the former prefectures.
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