Atalaia do Norte is the most western

municipality A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...

in the

Brazilian state The federative units of Brazil ( pt, unidades federativas do Brasil) are subnational entities with a certain degree of autonomy (self-government, self-regulation and self-collection) and endowed with their own government and constitution, which ...

of Amazonas. As of 2020, its population was 20,398 and its area is 76,355 km², thus making it the third largest municipality in Amazonas and the seventh largest in Brazil.

Geography

The area of this municipality includes the

Vale do Javari Vale do Javari (English language: Javari Valley) is one of the largest indigenous territories in Brazil, encompassing 85,444.82 km 2 (32,990 mi 2) – an area larger than Austria. It is named after the Javari River, the most important ...

, an indigenous reserve which is inhabited until the present day by isolated Indians also called ''"arrow peoples"'', indigenous ethnic groups that have had little or no contact with modernity. The town is at the start of the Itaquai River.

References

Municipalities in Amazonas (Brazilian state) Populated places established in 1955 1955 establishments in Brazil {{AmazonasBR-geo-stub