Passport awards are earned for each country when you play a game with a player from that country!

To see your Passport awards, first hover over the Chess.com logo on the left menu, and click 'Awards':

From here you will see all your awards! In the menu in the upper right of the screen, click 'Passport':

This will take you to a list of all the Passport awards you've earned:

Try to collect them all!