Guarapuava is a municipality in the state of Paraná in Brazil. It is the largest municipality in that state by area. Considered a regional development hub with a strong influence on neighboring municipalities, it is also part of a railroad junction of national importance called the Mercosur corridor, between the municipalities of Foz do Iguaçu and Curitiba. It is the richest agribusiness municipality in the state of Paraná.