Blue
The most populous city in the world.
Tokyo
The most unique city because it is built on canals.
Venice
The most romantic city in Europe.
Paris
The most beautiful city on the Danube River.
Budapest
The only city in the world located on two continents (Europe and Asia).
Istambul
home to the tallest building in the world
Dubai
The city is famous for having some of the oldest and most relaxing thermal baths in Europe.
Budapest
The largest city in Northern Ireland.
Belfast
The smallest city-state in the world.
Vatican
The largest city in Europe by population.
Istambul
The northernmost capital city in Europe.
Reykjavik
The city has one of the oldest underground railway systems in the world, opened in 1863.
London