Greece’s capital and largest city is Athens. Athens, the capital of the Attica region and the southernmost capital of the European continent, is a significant Mediterranean coastal metropolis. It is the ninth largest urban area in the European Union, with a population of over three million. The official population of the Municipality of Athens, commonly known as the City of Athens, was 643,452 in 2021. Its land area is 38.96 km³ (15.04 sq mi). The Municipality of Athens is a tiny administrative unit within the broader urban region.