The Simpson Desert is a vast region located in central Australia that covers over 143,000 square kilometers. The desert is known for its red sand dunes, unique wildlife, and harsh environment that poses a challenge to survival. As such, the desert has been given many synonyms based on its features and location. Some of these include the Red Centre, the Great Sandy Desert, and the Arunta. The Red Centre is a reference to the region's signature red sands and rocks while the Great Sandy Desert references the massive stretches of sand dunes that cover the region. Arunta is a name used by the local indigenous people to refer to the area and its cultural significance. Regardless of the synonym used, the Simpson Desert remains a fascinating natural wonder with a rich history.