war zone
noun1
A region where war is ongoing.
- He also thought nothing of laying down a railway in a war zone. For example, he was one of those behind the Grand Crimean Central Railway, built during the Crimean War [...].2021 December 29, Stephen Roberts, “Stories and facts behind railway plaques: Chester (1848)”, in RAIL, number 947, page 57:
2
A region where structures are damaged or in disarray, appearing similar to the effects of a military conflict.
3
Broadly, Figuratively Any area with a significant display of damage or disarray.