Castrovirreyna is one of seven provinces located in the Huancavelica Region of Peru.

The capital of this province is the city of Castrovirreyna.

The Chunta mountain range traverses the province.

Spanish is the language which the majority of the population (77.20%) learnt to speak in childhood, 22.30% of the residents started speaking using the Quechua language (2007 Peru Census).

This Huancavelica Region geography article is a stub.