Longest rivers in the UK

Name the countries that host the most people who have fled from another country.

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Difficulty level: impossible and mean-spirited. Can you guess these countries based on a partial view of their flag?

Click the flags of countries that lie entirely on islands. But don't click any mainland countries or your experience will end abruptly.