Montevideo is the capital and largest city of Uruguay. According to the 2011 census, the city proper has a population of 1,319,108 (about one-third of the country’s total population) in an area of 201 square kilometres (78 sq mi). The southernmost capital city in the Americas, Montevideo is situated on the southern coast of the country, on the northeastern bank of the Rio de la Plata. Zoom In. Full HD.