The United States of America border on Canada in the north and on Mexico in the south. Furthermore they are bounded by the Pacific Ocean in the west, the Atlantic Ocean in the east and also by the Gulf of Mexico, the Arctic Ocean, the Bering Sea and the Carribean Sea. The abbreviation for the United States of America is USA. The total area of the States is 3,794,083 square miles (9,631,418 square kilometers). The capital city is called Washington, D.C. New York City is the largest city of America.