For the plant with a similar name, see Quinoa. Quinua is a small town in the province of Huamanga, in Peru’s central highland department of Ayacucho, 37 km from the city of Huamanga, at an altitude of 3,300 metres, which today serves as the administrative capital of the district of the same name. It is noted as the site of the 1824 Battle of Ayacucho.