Guarani, specifically the primary variety known as Paraguayan Guarani, is a South American language that belongs to the Tupi–Guarani branch of the Tupian language family. It is one of the official languages of Paraguay, where it is spoken by the majority of the population, and where half of the rural population are monolingual speakers of the language.

Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. It has a population of around 6.1 million, nearly 2.3 million of whom live in the capital and largest city of Asunción, and its surrounding metro area.