The Argentine Expanse is a vast grassland region located in the south of Argentina. It is commonly referred to as the PAMPA, which is derived from the Quechua word for 'PLAIN' or 'open country'. The PAMPA covers an area of approximately 1.2 million square kilometers and is home to a variety of wildlife, including guanacos, rheas, and foxes. It is also known for its rich soil and abundant resources, making it an important agricultural region.