 It is the fourth largest city in the Southwest region.The municipality contains 41.22% of the Rio Gregório Extractive Reserve.In the last decades of the 19th century, attracted by the extraction of latex, the pinnacle of the economy of the Amazon at the time, and fleeing from the drought in the brazilian Northeast region, peoples from Ceara, Rio Grande do Norte and Paraíba states, arrived in Juruá and took up residence in the rubber, giving rise to the first villages.