red-light district

US /ˈrɛdˌlaɪt ˈdɪstrɪkt/
UK /ˈrɛdˌlaɪt ˈdɪstrɪkt/
"red-light district" picture
1.

quartier rouge, quartier chaud

an area of a town or city containing many brothels, strip clubs, and other sex-oriented businesses

:
The old port area used to be a notorious red-light district.
L'ancien quartier du port était autrefois un célèbre quartier rouge.
Tourists are often warned to avoid the city's red-light district at night.
Les touristes sont souvent avertis d'éviter le quartier rouge de la ville la nuit.