Northern America is a subregion of North America located in the northern part of the continent, consisting of United States, Canada, and Greenland. It is characterized by vast and diverse landscapes, including Arctic tundra, boreal forests, mountain ranges such as the Rockies, and extensive river and lake systems. The region spans from temperate zones in the south to polar environments in the far north, and is bordered by the Atlantic, Pacific, and Arctic Oceans. Northern America represents the northernmost subregion of North America and is distinguished by its high levels of economic development, natural resources, and geographic scale.