Definition of Disaster area:
Geographical area recently affected by a major disaster and officially declared (by a governor, prime minister, president, etc.) as such. The purpose of this declaration is to provide tax relief and other types of public assistance, such as cash compensation and/or soft loans advanced at below market rates (for a specified period) to facilitate the economic rehabilitation of the disasters victims and recovery of commercial activity in that area.
Meaning of Disaster area & Disaster area Definition