Atalaia do Norte is the most western

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

in the

Brazilian state The federative units of Brazil () 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 together form the Federative Repu ...

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 km2 (32,990 mi2) – an area larger than Austria. It is named after the Javari River, the most important r ...

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

Itaquai River The Itaquai River is a river of the upper Amazon Basin. It forms the eastern boundary of Atalaia do Norte municipality in the Amazonas state of north-western Brazil. Its main tributary is the Rio Branco. Downstream it joins the Ituí River to fo ...

References

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