Piaçaca River is a river of Amapá state in Brazil. It is a tributary of the Vila Nova River which in turn is part of the Amazon River basin. 0°27′N 51°33′W
districts: The city of Santana Anauerapucu Igarapé do Lago Ilha de Santana Piaçacá [pt] Pirativa Independente Esporte Clube and Santana Esporte Clube are