The 5 largest European cities

There are 78 different names for the currencies used by the different countries of the world. How many can you name?

Try to name the countries that have exported the most weapons in the last 10 years.

Can you name the 100 most populous urban areas in Europe with the help of a map?

Try to name as many of Europe's 250 largest cities as you can, with the help of a map.