Brunka is a district of the Buenos Aires canton, in the Puntarenas province of Costa Rica.
Brunka was created on 18 August 2000 by Acuerdo 719-MSP.
Brunka has an area of km<sup>2</sup> and an elevation of metres.
For the 2011 census, Brunka had a population of inhabitants.
The district is covered by the following road routes: