The largest continent on the face of the Earth is Asia. It covers an area of 17,212,000 square miles (44,579,000 square km); that's almost 9% of the Earth's surface!
Asia is home to some 4,164,252,000 people (4 billion,164 million!); that's nearly two thirds of all the inhabitants of Earth. But despite its size and its population, Asia has fewer countries than either Africa or Europe, which are both considerably smaller.
Here are some questions about ten of the countries to be found on the continent, and the flags which they use.