Peru is 3.6 times larger than Mato Grosso do Sul (Brazil).
Area: 1,285,216 km2 World Factbook
Population: 30,147,935 (July 2014) World Factbook
Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the west by the Pacific Ocean. Wikipedia
Mato Grosso do Sul is one of the Central-Western states of Brazil. Its total area of 357,125 square kilometers, or 137,891 square miles, is slightly larger than Germany. Neighboring Brazilian states are Mato Grosso, Goiás, Minas Gerais, São Paulo and Paraná. Wikipedia