The largest Pre-Columbian city in South America, Chan Chan is an archaeological site in the Peruvian region of La Libertad, 5 km west of Trujillo. Chan Chan was the capital of the historical ChimĂș culture.Visitors to Chan Chan can enter the Tschudi Complex, a later citadel. Other ChimĂș and Moche ruins are also in the area around Trujillo.