Rio Negro is a

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 ...

located 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 Mato Grosso do Sul. Its population was 4,793 (2020) and its area is 1,808 km².IBGE 2020
/ref>

References

{{Municipalities of Mato Grosso do Sul Municipalities in Mato Grosso do Sul