Parintins is a municipality in the far east of the Amazonas state, Brazil. It is part of a microregion also named Parintins. The population for the entire municipality was 109,150 (2005) and its area is 5,952 km². The city is located on Tupinambarana island in the Amazon River. Parintins is known for a popular folklore festival held there each June called Boi-Bumbá.