Athens, with its tall buildings and contemporary shops, is the first European city when approached from the Middle East. When approached from the west, from elsewhere in Europe, what strikes the visitor is the influence of the East—in the food, music, and clamorous street life—perhaps vestiges of a time when Athens was divorced from European society under the yoke of Ottoman rule. Nevertheless, it is wrong to say that Athens is a mixture of East and West: it is Greek and, more particularly, Athenian. The city, after all, nurtured Western civilization thousands of years ago. Athens remains on the world stage to this day.

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Classical Athens was a powerful city-state. It was a centre for the arts, learning and philosophy, and the home of Plato's Academy and Aristotle's Lyceum. It is widely referred to as the cradle of Western civilization and the birthplace of democracy, largely because of its cultural and political impact on the European continent—particularly Ancient Rome.[11] In modern times, Athens is a large cosmopolitan metropolis and central to economic, financial, industrial, maritime, political and cultural life in Greece. In 2021, Athens' urban area hosted more than three and a half million people, which is around 35% of the entire population of Greece.

The heritage of the Classical Era is still evident in the city, represented by ancient monuments, and works of art. The most famous of all being the Parthenon, considered a key landmark of early Western civilization. The city also retains Roman and Byzantine monuments, as well as a smaller number of Ottoman monuments, while its historical urban core features elements of continuity through its millennia of history. Athens is home to two UNESCO World Heritage Sites, the Acropolis of Athens and the medieval Daphni Monastery. Landmarks of the modern era, dating back to the establishment of Athens as the capital of the independent Greek state in 1834, includes the Hellenic Parliament and the so-called "Architectural Trilogy of Athens", consisting of the National Library of Greece, the National and Kapodistrian University of Athens, and the Academy of Athens. Athens is also home to several museums and cultural institutions, such as the National Archeological Museum, featuring the world's largest collection of ancient Greek antiquities, the Acropolis Museum, the Museum of Cycladic Art, the Benaki Museum, and the Byzantine and Christian Museum. Athens was the host city of the first modern-day Olympic Games in 1896, and 108 years later it hosted the 2004 Summer Olympics, making it one of the few cities to have hosted the Olympics more than once.

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