Iguaçú Falls (Portuguese: Cataratas do Iguaçú, Spanish: Cataratas del Iguazú or Cataratas del Iguassu; SAMPA [iGwa'su]) are waterfalls located on the border of Brazilian state of Paraná (in the Southern Region) and the Argentinian Province of Misiones, and are inside the Iguaçú National Park.
Another important tourist attraction near the falls is the Itaipu hydroelectric power plant.