Uruguay (; ), officially the Eastern Republic of Uruguay , is a country in the southeastern region of South America. It is bordered by Argentina to its west and Brazil to its north and east, with the Atlantic Ocean to the south and southeast. Uruguay is home to 3.3 million people, of whom 1.8 million live in the metropolitan area of its capital and largest city, Montevideo. With an area of approximately , Uruguay is geographically the second-smallest nation in South America after Suriname.