The sea

The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America. It is a federal union of 50 states, the federal capital district of Washington, D.C., and 326 Indian reservations.[j] The 48 contiguous states are bordered by Canada to the north and Mexico to the south. The State of Alaska lies to the northwest, while the State of Hawaii is an archipelago in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands.[k] The country has the world's third-largest land area,[d] second-largest exclusive economic zone, and third-largest population, exceeding 334 million