Aija is a town in central Peru, capital of the province Aija in the region Ancash, on the west side of the Cordillera Negra.

[1] The famous scientist Santiago Antúnez de Mayolo was born here.

In ancient times, the city was one of the centres of Recuay culture.

[2] Stone sculpture belonging to Recuay culture has been found at Aija.

In fact, Recuay style stone carvings are known as Aija.