It includes 18 municipalities with a population of 397,387 in a total area of 56,293.30 km2 (21,734.96 sq mi) (2007).

The largest towns are Jataí, Santa Helena de Goiás, and Rio Verde.

It is watered by several important rivers, which are tributaries of the Paranaíba.

This is possibly the richest region of the state of Goiás and is a large producer of soybeans, corn, and cotton.

The relatively flat grassy plains are ideal for cattle grazing.