Amsterdam is the capital of the Netherlands. It has a population of around 2.1 million.
Athens is the capital of Greece. It has a population of around 3.7 million people.
Belgrade is the capital of Serbia. The population of Belgrade is about 3.2 million.
Berlin is the capital of Germany. It has a population of around 3.5 million people.
Bern is the defacto capital city of Switzerland. It has a population of around 134,000.
Brussels is the capital of Belgium. It has a population of around 1.8 million.
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Copenhagen is the capital of Denmark. It has a population of around 2 million.
Dublin is the capital of Ireland. It has a population of around 1.8 million.
Helsinki is the capital of Finland. It has a population of around 600,000.