In the district of today’s San Isidro you will find an important archaeological complex named the "Huaca Huallamarca" or also known as "Pan de Azúcar" (Sugar Bread). Intensive investigations revealed three main occupation periods of the huaca: before and during the Lima Culture (around 200 BC to 700 AD) by ancient "Hualla" settlers from the Lima valley, "Ishma" (around the 11th century) and Incas (15th and 16th century).