Proper noun
A city in Buenos Aires province, Argentina.
A department of San Luis province, Argentina.
A department of Chaco province, Argentina.
A province in central Chile.
Source: en.wiktionary.orgTheir combined army freed Chile with a daring assault over the Andes in 1817, defeating the Spaniards at the Battle of Chacabuco on February 12 and marking the beginning of the Patria Nueva. Source: Internet