stricken area; damaged area
Refers to a geographical area that has suffered damage, typically from a natural disaster, accident, or conflict.
Many volunteers gathered in the earthquake-stricken area.
Recovery in the typhoon-damaged area will take time.
被災地 and 被害地 both mean a disaster-affected area, but 被災地 is the standard term used in news and official reports while 被害地 sounds more generic or literary.
Compound of 被害 (damage) and 地 (land, area).