skid row

US /ˈskɪd roʊ/
UK /ˈskɪd roʊ/
"skid row" picture
1.

a run-down area of a city, typically inhabited by homeless people, alcoholics, or drug addicts

:
He ended up living on skid row after losing his job.
The city council is trying to revitalize the old skid row area.