Structure of the Chilean Army

This is an order of battle of the Chilean Army.
Office of the Army Commander in Chief in Santiago, the Army's headquarters city where it is situated
Army General Staff Office (Estado Mayor General del Ejército)
Ground Operations Command.
Army Ground Operations Command, headquartered in Concepcion, the base garrison of the Chacabuco 6th Infantry Regiment
I Division.
Responsible for the defense of the Antofagasta and Atacama regions.
II Motorized Division.
Responsible for the defense of the Coquimbo, Valparaíso, O'Higgins, Maule, and Santiago regions.
III Mountain Division.
Responsible for the defense of the Biobío, Los Lagos, Araucanía, and Los Ríos regions, especially in the mountains in the country's eastern borders.
IV Division.
Responsible for the defense of the Aysén region.
V Division.
Responsible for the defense of the Magallanes region, which includes the world's southernmost city of Punta Arenas.
VI Division.
Responsible for the defense of the Arica y Parinacota and Tarapacá regions.
Doctrine Command.
Army Institution and Doctrine Command ("Commando Instituto y Doctrina")
Force Support Command.
Army Force Support Services Command ("Commando Apoyo de la Fuerza")
Unit names.
All infantry units and most of the artillery regiments are named after important battles or places in Chile, while the cavalry regiments are named after the various types of cavalry. These are the units: