The Casa de Aliaga is a colonial-style building located in the historic centre of Lima, Peru.

It was built on a huaca, dateing back to May 1536, at the beginning of the founding of the city, and belonged to Conquistador Geronimo de Aliaga.

It has been continuously inhabited by the same family for seventeen generations over a period of five centuries.

[1] In 1746, it t was destroyed by the 1746 Lima–Callao earthquake and rebuilt by Juan José Aliaga y Sotomayor.

The styles present are Renaissance, Mannerist, Baroque or Neoclassical.