Athens, Thessaloniki, and Patras are the three largest cities in Greece. Athens is a city of more than 3 million people and serves as the capital of modern Greece. It’s known for its ancient sites like Acropolis or Parthenon, as well as its festivals such as Athens Festival or Marathon Run which takes place each October. Thessaloniki is another large city with over 500,000 inhabitants and serves as an important port on the Aegean Sea. Known for hosting trade fairs such as International Trade Fair (ITF) it also hosts many cultural events throughout the year. Finally, there’s Patras which has a population just shy of 200,000. It’s an important port on the Ionian Sea and is known for its big annual trade fair, Patras International Fair (PIRIN) which attracts many visitors each year.
Athens became the capital of Greece in 1833. It’s the largest economic center and serves as a transportation hub for all of Europe, thanks to its port. Thessaloniki has been the second-biggest city since 1870 when it was incorporated into the Kingdom of Greece. Patras is an industrial center that specializes in food processing, textiles, metal-working, and timber.
As of the 2011 census, Athens has a population of 3,7 million people, Thessaloniki has 1 million inhabitants, and Patras just under 200,000.