Brvnište (Hungarian: Boronás) is a village and municipality in Považská Bystrica District in the Trenčín Region of north-western Slovakia.

In historical records the village was first mentioned in 1598.

The municipality lies at an altitude of 367 metres and covers an area of 6.940 km2.

The records for genealogical research are available at the state archive "Statny Archiv in Bytca, Slovakia"

This Trenčín District location article is a stub.