Argentina, officially the Argentine Republic (República Argentina), is a federal republic located mostly in the southern half of South America.
Buenos Aires is the capital and most populous city of Argentina.
The Province of Chaco (provincia del Chaco) is a province in north-eastern Argentina.
Departments (departamentos) form the second level of administrative division (below the provinces) in all of Argentina except for the Province of Buenos Aires and the Autonomous City of Buenos Aires, the national capital, each of which has different administrative arrangements.
Las Breñas is a city in Chaco Province, Argentina.