skid row

/S K IH1 D R OW1/
noun
  1. 1

    An especially dilapidated section of a city, characterized by run-down or abandoned buildings, alcoholism and homelessness, and vices such as drug dealing and prostitution.

  2. 2

    A colloquial designation of a run-down district of Los Angeles.

Synonyms

Source: https://en.wiktionary.org/wiki/skid%20row