North America, the planet's third largest continent, includes 23 countries and dozens of possessions and territories. It contains all Caribbean and Central America countries, Canada, Mexico, the United States of America, as well as Greenland - the world's largest island.
Positioned in the planet's northern and western hemispheres, it's bordered in the north by the Arctic Ocean, in the east by the Atlantic Ocean, in the southeast by the Caribbean Sea and Gulf of Mexico, and in the west by the Pacific Ocean.