Final answer:
The remains from the city of Caral are believed to be the oldest city in Coastal Peru region, known for its impressive architecture and high degree of organization.
Step-by-step explanation:
The remains from the city of Caral are believed to be the oldest city in the Coastal Peru region. Caral is part of the Norte Chico or Caral civilization, which existed around 3000 BCE. It is located in central coastal Peru and is known for its impressive architecture and high degree of organization.