He says his favorite flag is South Korea because of his teacher.

Almost every flag in the extensive collection of world flags is recognizable as rectangular. But among all the nations, there are two exceptions—nations with perfect squares for their official flags.

Test your geography knowledge with a fun game that challenges you to recognize flags from countries around the world. Players try to identify each national flag and see how many they can correctly ...

A geography quiz like this will quickly test how well you really know the world. For this challenge, you’ll need strong flag ...