Corrientes, officially the Province of Corrientes is a province in northeast Argentina, in the Mesopotamia region. It is surrounded by : Paraguay, the province of Misiones, Brazil, Uruguay, and the provinces of Entre Rios, Santa Fe and Chaco.

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.