San Buenaventura District, Marañón

San Buenaventura District is one of three districts of the province Marañón in Peru.

Ethnic groups
The people in the district are mainly indigenous citizens of Quechua descent. Quechua is the language which the majority of the population (92.78%) learnt to speak in childhood, 6.52% of the residents started speaking using the Spanish language (2007 Peru Census).