United States.
Officially the United States of America, it is a sovereign country constituted in a constitutional federal republic composed of fifty states and a federal district.
Most of the country is located in the middle of North America, where its 48 contiguous states and Washington, D.C., the federal district, meet, between the Pacific and Atlantic oceans.
It borders Canada to the north and Mexico to the south.
The state of Alaska is in the northwest of the continent, bordered by Canada to the east, separated from Russia to the west by the Bering Strait.
The state of Hawaii is a Polynesian archipelago located in Oceania, in the middle of the Pacific Ocean and is the only one of its states that is not in America.
The country has several unincorporated territories in the Caribbean Sea and in the Pacific.