After Abraham sent Hagar away, in which wilderness did she wander?

Answer: Wilderness of Beersheba

Abraham gave Hagar bread and a skin of water and sent her away; she wandered in the Wilderness of Beersheba.

“Early in the morning, Abraham got up, took bread and a skin of water, put them on Hagar’s shoulders, and sent her away with the boy. She left and wandered in the Wilderness of Beersheba.”— Genesis 21:14 (BSB)