Genesis 19:21-22

19:21 “Very well,” he replied, “I will grant this request too and will not overthrow the town you mentioned. 19:22 Run there quickly, for I cannot do anything until you arrive there.” (This incident explains why the town was called Zoar.)

Genesis 19:29

19:29 So when God destroyed the cities of the region, God honored Abraham’s request. He removed Lot from the midst of the destruction when he destroyed the cities Lot had lived in.