<P> The Simpson Desert is a large area of dry , red sandy plain and dunes in Northern Territory , South Australia and Queensland in central Australia . It is the fourth largest Australian desert , with an area of 176,500 km ( 68,100 sq mi ) and is the world 's largest sand dune desert . </P>
<P> The Simpson Desert is a large area of dry , red sandy plain and dunes in Northern Territory , South Australia and Queensland in central Australia . It is the fourth largest Australian desert , with an area of 176,500 km ( 68,100 sq mi ) and is the world 's largest sand dune desert . </P>
where is the simpson desert located on a map
where is the simpson desert located on a map
Northern Territory , South Australia and Queensland in central Australia
Northern Territory , South Australia and Queensland in central Australia