After the intendancy joined the emancipation cause and was the first to gain independence from Spain as the Department of Trujillo, in 1825 the Congress of the Peruvian republic changed the name to Departmento de la Libertad.
To the east, Sánchez Carrión Province waterways drain into the Amazon River and thus belong to the Atlantic Ocean watershed.
The Region is separated into 12 provinces (provincias), political divisions that generally correspond to counties in the United States of America.
It was basically an agriculture and/or a warrior culture, which built countless temples and palaces such as the Sol (Sun), Luna (Moon), El Brujo & Cao Viejo, and other huacas.
The technological acumen of these sophisticated agricultural systems was carried into the Inca Empire, which surrounded the remnants of the prior cultures.
The Spanish colonizers destroyed most of the agricultural works to more effectively establish political control and provide de facto slave labor from the displaced native agriculturalists.
The archaeological remains of Chan Chan, 6 km (3.7 mi) northeast of downtown Trujillo, are rather well-preserved despite being built out of adobe (mud bricks), largely because 1) dearth of rainfall and consequent erosion, and 2) lack of significant re-use of its construction materials (adobes do not respond easily to removal and transport and are relatively cheap to make on-site in current methods of construction).
During the Late Moche phase (AD 600 to 850), one of the largest power centers of the region was the fortified site of Cerro Chepén in the Jequetepeque Valley.