The history of Bucharest can be traced back to the 14th century when it was first mentioned in documents as a village called "Câmpulung". In the 16th century, it became the capital of Wallachia. The city grew rapidly in the 18th century, and by the end of the century it had a population of over 100,000. Bucharest became the capital of Romania in 1862. The city suffered extensive damage during World War II, but it was rebuilt and grew rapidly in the following decades. Today, Bucharest is the largest city in Romania and the 6th largest city in the European Union.

The city of Athens is the capital of Greece. It is located in the Attica region and has a population of over 664,000 people. Athens is a very old city, dating back to at least the 5th century BC. It is home to many famous historical sites, including the Acropolis and the Parthenon. Athens is also a major center of culture and education, with several universities and museums.