Capitals of the Countries that Start with O

Fill in the map of Europe by correctly guessing each highlighted country.

Without seeing the countries as a hint, can you guess the capitals of the world's 20 most populous countries?

There are 196 countries and 200 capitals currently recognized by JetPunk, can you name all of them?

In blue, you will see all the capital cities of the world that begin with a certain letter. Click the letter.