Vacas (Quechua name: Wak'as, deriving from Wak'a) is a Bolivian village in the southeast of the Cochabamba Department.

The people living in Vacas and surrounding areas are predominantly indigenous citizens of Quechuan descent.

Vacas is situated in a rural environment in the altitudes of the Cono Sur (Southern Cone) of Cochabamba.

The climate is suitable for the cultivation of potatoes, wheat, barley, broad bean and oat.

The cultivation of the soil is supplemented by animal husbandry of cows, sheep, pigs and hens.