Castro of Vila Nova de São Pedro
The Castro of Vila Nova de São Pedro is a Chalcolithic archaeological site in the civil parish of Vila Nova de São Pedro, municipality of Azambuja, in the Portuguese Estremadura area of Lezíria do Tejo. It is important for the discovery of thousands of arrowheads within its fortified settlement, associated with the Chalcolithic period of human settlement. associated with the long-lived fortified town, or castro, of Zambujal, near the municipality of Torres Vedras. The period of "urban" settlement lasted from 2600 to 1300 BCE, and was a contemporary of the southeastern Spanish settlements of  Los Millares and El Argar.