Foz do Iguaçu, commonly referred to as Foz, is a city located in the Paraná region of Brazil. Its name translates from Portuguese to mean the mouth or end of a river; the term Iguaçu originates from the Guarani or Tupi words for "river" and "big."
The city is situated on the border of the Iguaçu Falls, a major geographical landmark. It serves as a primary point of interest for the region due to its proximity to these significant waterfalls.