in 1613 gonzález led the founding of the reduction of san ignacio miní. in 1615 he founded itapúa, which is now the city of posadas in the argentine province of misiones. then he had to move the reduction to the other side of the river, now the site of the city of encarnación. he also founded the reductions of concepción de la sierra candelaria (1619), candelaria (1627), san javier, yapeyú (now in the province of corrientes), san nicolás, asunción del ijuí, and caaró (now in brazil). in the region of iyuí, he had difficulties with the local chieftain and sorcerer ("cacique") ñezú.