The United States is bordered by the Pacific, the Atlantic and the Arctic oceans. The contiguous United States is bordered only by the Pacific and Atlantic oceans. Alaska is the state that is bordered by the Arctic ocean. The United States shares borders with the countries of Canada and Mexico.
The United States is located within the continent of North America. The United States is the third largest country in the world in land mass and approximately half the size of Russia. The United States is also the third largest country in terms of population, next to China and India. The United States has a mostly temperate climate as a whole, with some exceptions such as Hawaii's tropical climate and Alaska's arctic climate.