Biggest European Cities that start with V on a Map

Based on the clues, can you guess these European cities which start with each letter of the alphabet?

Name the world's 100 most populous urban areas - with the help of a map!

With the help of a map, try to name the cities of the world with an urban area population of at least 3 million.

Can you name every city in the world whose urban area has more than one million people - with the help of a map?