Chaco

provincia (province), northeastern Argentina, between the northwestern Argentine highlands and the Paraná River and bounded on part of the east by ...
Found on http://www.britannica.com/eb/a-z/c/49

Chaco

Chaco, Chaco Austral, Chaco Boreal, Chaco Central,and Chaco War:see Gran Chaco.
Found on http://www.infoplease.com/ce6/world/A0911618.html

Chaco

Province of northeast Argentina; area 99,633 sq km/38,469 sq mi; population (2001 est) 979,000; its capital is Resistencia, in the southeast. The province forms part of the Gran Chaco area of South America, which extends into Bolivia and Paraguay, and consists of a flat savannah lowland, mainly covered with scrub, and has many lakes...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0011024.html
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